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IPhO 2013

The International Physics Olympiad

About IPhO 2013

 

Physics Olympiad Dates:April 11 - April 20, 2013

 

INPhO 2013 Question Paper and Answers:

 

The International Physics Olympiad (IPhO) is an annual event, which is held in the month of June - July every year.  The country of the venue of IPhO varies from year to year. This activity has been conducted regularly for the past 37 years.  However, India began to participate in the IPhO only in 1998.The IPhO is a keenly contested examination in physics open to pre-university students of all countries in the world. It serves as a bench-mark for study of physics at pre-university level. It also fosters friendly relations amongst students of different countries. It is believed  that India's participation in the IPhO  boosts the level of science education in the country.The physics olympiad programme in India aim to promote excellence in physics at the pre-university stage and to select and train participants for the IPhO.

 

Stages of Physics Olympiad

 

 

The physics Olympiad program follows the following 5 stages:

 

  • Stage I:National Standard Examination in Physics (NSEP),
  • Stage II:Indian National Physics Olympiad (INPhO),
  • Stage III:Orientation cum Selection Camp (OCSC) in physics,
  • Stage IV:Pre-departure Training Camp (PDT) for IPhO,
  • Stage V:Participation in International Physics Olympiad (IPhO).

 

 

Who is Eligible ?

 

Science students studying in class XI or class XII  and born after 31.12.1990 are eligible to take part in these competitions.  Those who have already passed class XII examination are not eligible.  For National Standard Examination in Junior Science, students of class X or lower classes satisfying specified age conditions are eligible. The exact information is available on www.iapt.org.in.

 

 

How to apply ?

 

Any student can apply through his/ her school for participation in any one of these Olympiads.  The Principal/ Senior Faculty Coordinator in the subject will contact IAPT office at Pune and get the institution registered  for the conduct of examination after  completing necessary formalities. The exact information about these Olympiads is generally issued by IAPT in the month of July/August every year in leading national dailies and its own website www.iapt.org.inThe Registration form for applying to IAPT, Pune office is also available on this website.

 

 

Examination Fee

 

Examination fee of Rs. 60/- per student per subject is to be paid by an Indian student and a fee of US dollar 12 per student per subject is to be paid by an overseas student.  This fee is to be paid only to the Coordinator in the school desiring to enroll itself as a centre. In no case, the fee is to be sent to CBSE or IAPT.  Any further information with regard to the Olympiad can be had from.

Prof. M.L Ogalapurkar
NSE Co-ordinator
I.A.P.T Office, I.I.E Campus
128/2, J.P Naik Marg, Kothrud
Pune – 411 038
Maharashtra
Tel (Off.) 020-25420163;    

email iapt@vsnl.net

Website : www.iapt.org.in

 

 

Format of Examination

 

The Question papers for National Standard Examination in different subjects for the year 2007-08 and 2008-09 are available on IAPT website.  Since National Standard Examination in Junior Science was conducted for the first time in the year 2008, the previous years papers are not available.

 

 

New Members

 

If your school/ college is not a registered centre, visit the IAPT website www.iapt.org.in. This website displays details of the centres which were registered last year.  This may be of help to you in locating the centre nearest to you and in enrolling your name at the centre by paying the required fee.  If any school/ College wants to get itself registered for the first time, the form for the Registration can be downloaded from IAPT site and sent to IAPT office, Pune at the above address. Any further information can also be had from IAPT Examination office by sending a self addressed envelope (25cmX10cm) with Rs.5/- stamp affixed  to it.

 

Stage I: National Standard Examination in Physics (NSEP)

 

NSEP is the first stage of selection of students in the physics Olympiad Programme which is organised by the Indian Association of Physics Teachers (IAPT). Every student aspiring to go through successive stages of the programme must enroll for NSEP.  NSEP is held at a large number of centres in the country.

 

Eligibility:

 

All Indian students who are born on or after July 1, 1991 and, in addition, are in Class XII or lower as of November 30, 2010, are eligible to appear for NSEP 2010 -- 2011. A student may appear for more than one subject provided the examination schedule allows it. See information about the examination schedule under various subjects. Students who have passed Class XII are not eligible to enroll for NSEP.

It is the student's responsibility to ensure that the eligibility criteria are satisfied. In case at any stage of the programme it is found that the student does not satisfy the eligibility criteria, he/she may be disqualified from the programme.

 

Syllabus:

 

The syllabus for NSEP is broadly  equivalent to the senior secondary level (Class XI and Class XII) of CBSE Physics. This is only a rough guideline, and there is no detailed syllabus given for NSEP.

 

Question Paper:

 

NSEP emphasizes comprehension of the subject, not rote memory.  Its format is as follows:

Language   :   English.

 

Part A (180 marks) :

 

50 multiple choice questions consisting of:

 

 (A1)

40  questions, each with only one of the four options correct

 

 (A2)

10 questions, each with one or more than one options correct. To get credit, all correct option(s) and no incorrect option(s) should be marked.

 

Part B (60 marks): 

 

5 (or 6) questions which are problems or short-answer type. All questions carry equal marks.

Language:

 

English. (However,  NSEP question papers may be available in  Hindi, and some other regional languages provided there are more than 300 students for that language. Please check with IAPT.)

 

 

Qualifying for the Second Stage:

 

Based on performance in NSEP, the top 300 students in order of merit qualify to appear for the Second Stage of the Olympiad programme (INPhO). In case there is a tie at the last position, all students with the same marks qualify for the INPhO.

All students who qualify to appear for the INPhO get a certificate of merit from IAPT.

For any queries or clarifications and for any difficulties regarding enrollment for NSEP, please contact:

Prof. M. L. Oglapurkar
Co-ordinator (NSE)
IAPT Office, I.I.E. Campus,
128/2, J. P. Naik Marg, Kothrud, Pune - 411 038.
Tel : (Off.) 020 - 25420163.
(9:00 AM to 7:00 PM)
Email: iapt@vsnl.net

OR

Prof. R.M.Dharkar
Chief Co-ordinator (IAPT Examinations)
Email: rmdharkar@gmail.com

 

 

Stage II: Indian National Physics Olympiad (INPhO)

 

INPhO is organized by HBCSE at about 15 centres in the country.

 

Eligibility:

Students selected from Stage I examination (NSEP) are eligible to appear for INPhO. In addition, those students, who have been exempted from NSEP as described in the Enrollment page, are also eligible to appear for INPhO. Besides these two, there is no other way by which a student becomes eligible to appear for INPhO.

The tentative date and time of INPhO 2011 examination is as follows:

 

January 30, 2011 (Sunday):    09.00 a.m. - 12.00 noon (3 hours)

The confirmed date and schedule will be announced in the first week of January 2011 on this website and communicated by post to the eligible students.  Students appearing for INPhO are eligible for TA/DA as per norms of the programme.

 

Syllabus:

 

The syllabus for INPhO is broadly similar to NSEP.

The syllabus, however, is only a broad guideline. Questions and problems in National Olympiads are usually non-conventional and of high difficulty level, comparable to International Olympiads.

On the basis of performance in INPhO, the top 35 students in the merit list will be selected for Stage III: Orientation Cum Selection Camp (OCSC) in Physics.

In the event, there is a tie at the last position, all students with the same marks at this last position will qualify for OCSC.

There will be no other criterion or provision for selection to OCSC.

 

 

Stage III: Orientation  Cum Selection Camp (OCSC) in Physics

 

OCSC in physics will be organized by HBCSE sometime in April to June 2011 for 2-3 weeks. The precise dates will be announced prior to or along with the announcement of the selection list for the OCSC.

 

Eligibility for OCSC :

 

Only the students selected from the merit list of Stage II (INPhO) are eligible. There will be no other criterion or provision.

The camps include several theoretical and experimental tests.  Orientation is provided to students especially in experiments. The camps conclude with a valedictory function  where distinguished scientists are invited to speak to the students.

The merit list of OCSC is prepared on the basis of the combined theoretical and experimental score aggregated over all the tests in the camp, with 60% weightage for theory and 40% weightage for experiment. Performance in previous stages (NSEP and INPhO) will not be a consideration for the merit list and awards of the OCSC.

The top 5 students in the OCSC physics merit list are declared to be special merit awardees. These special merit awardees are given Rs. 5,000/- each in the form of books and cash. In addition there are special prizes to recognize meritorious performance in theory and experiments.

The 5 special merit awardees in physics selected at the end of the OCSC constitute the 5 member student team for the International Physics Olympiad (IPhO), provided they satisfy required criteria such as age limit, holding valid Indian passport, medical fitness, parental consent, etc.

 

 

Stage IV: Pre-departure Training (PDT) Camp for IPhO

The selected 5 member  Indian team undergoes a rigorous training programme at HBCSE in theory and experiments. Special laboratories have been developed at HBCSE for the purpose of experimental training. Resource persons from HBCSE and different institutions across the country train the students.

 

 

Stage V: Participation in International Physics Olympiad (IPhO)

 

The 5 member student team, 2 teacher leaders and 1 scientific observer constitute the delegation to represent India at the International Physics Olympiad (IPhO).

The 42nd  IPhO will be held in Bangkok, Thailand tentatively in July 2011.

 

 

 

References Books

 

Indian National Physics Olympiad - Theory Problems and Solutions (2006 - 2009), Prof. Vijay A. Singh and Praveen Pathak.

Price Rs. 90/- (Purchase in person from HBCSE) or by sending a Demand Draft of Rs. 140/-

The Demand Draft includes postage charges for registered parcel and should be in favor of Homi Bhabha Centre for Science Education, payable at Mumbai and sent to:
HBCSE Publications Section,
Homi Bhabha Centre for Science Education (TIFR),

V. N. Purav Marg, Mankhurd, Mumbai 400 088.

 

Indian National Physics Olympiad - Theory Problems (1998 - 2005)    Prof. Vijay A. Singh, Mr. Shirish R. Pathare

Price Rs. 60/- (Purchase in person from HBCSE) or by sending a Demand Draft of Rs. 100/-

The Demand Draft includes postage charges for registered parcel and should be in favor of Homi Bhabha Centre for Science Education, payable at Mumbai and sent to:
HBCSE Publications Section,
Homi Bhabha Centre for Science Education (TIFR),

V. N. Purav Marg, Mankhurd, Mumbai 400 088.

 

 

S.N.

Book

Author

Publications

1.

Physics (I &II)

Robert Resnick, David Halliday.

Wiley Eastern Private Limited (New Delhi).

2.

University Physics

Hugh Young, Mark Zemansky,

Fransis Sears.

Narosa Publishing House(New Delhi, Madras).

3.

Physics- A Textbook for Senior Secondary Class (Class XI)-

Part I & II

National Council of Educational Research and Training (NCERT), New Delhi.

-----

4.

Physics- A Textbook for Senior Secondary Class (Class XII)-

Part I & II

National Council of Educational Research and Training (NCERT), New Delhi.

-----

5.

Indian National Physics Olympiad - Theory Problems (1998 - 2005)

Prof. Vijay A. Singh, Mr. Shirish R. Pathare

Homi Bhabha Centre for Science Education, Mumbai

 

 

The book number 5 above, can be purchased from

In-Charge,
HBCSE Publications Section,
Homi Bhabha Centre for Science Education,
Tata Institute of Fundamental Research,
V. N. Purav Marg, Mankhurd,
Mumbai - 400088. India
Price: Rs. 60/- (for cash purchases made in person at HBCSE)
This book can also be purchased by sending a Demand Draft of Rs. 100/- (which includes postage charges for registered parcel) in favour of Homi Bhabha Centre for Science Education, payable at Mumbai and sent to the address above.

 

 

Syllabus of IPhO

 

General :


A.The extensive use of the calculus (differentiation and integration) and the use of complex numbers or solving differential equations should not be required to solve the theoretical and practical problems.

 

B.Questions may contain concepts and phenomena not contained in the Syllabus but sufficient information must be given in the questions so that candidates without previous knowledge of these topics would not be at a disadvantage.

 

C.Sophisticated practical equipment likely to be unfamiliar to the candidates should not dominate a problem. If such devices are used then careful instructions must be given to the candidates.

 

D.The original texts of the problems have to be set in the SI units.

 

A. Theoretical Part

 

1. MECHANICS

a. Foundation of kinematics of a point mass

* Note: vector description of the position of the point mass, velocity and acceleration as vectors

 

b. Newton's laws, inertial systems

* Note: problems may be set on changing mass

 

c. Closed and open systems, momentum and energy, work, power

 

d. Conservation of energy, conservation of linear momentum, impulse

 

e. Elastic forces, frictional forces, the law of gravitation, potential energy and work in a gravitational field

 

* Note: Hooke's law, coefficient of friction (F/R=const), frictional forces static and kinetic, choice of zero of potential energy

 

f. Centripetal acceleration, Kepler's laws

 

 

2. MECHANICS OF RIGID BODIES

a. Statics, center of mass, torque

 

* Note: couples, conditions of equilibrium of bodies

 

b. Motion of rigid bodies, translation, rotation, angular velocity, angular acceleration, conservation of angular momentum

* Note: conservation of angular momentum about fixed axis only

 

c. External and internal forces, equation of motion of a rigid body around the fixed axis, moment of inertia, kinetic energy of a rotating body

* Note: parallel axes theorem (Steiner's theorem), additivity of the moment of inertia

 

d. Accelerated reference systems, inertial forces

* Note: knowledge of the Coriolis force formula is not required

 

 

3. HYDROMECHANICS

No specific questions will be set on this but students would be expected to know the elementary concepts of pressure, buoyancy and the continuity law.

 

 

4. THERMODYNAMICS AND MOLECULAR PHYSICS

a. Internal energy, work and heat, first and second laws of thermodynamics

 

* Note: thermal equilibrium, quantities depending on state and quantities depending on process

 

b. Model of a perfect gas, pressure and molecular kinetic energy, Avogadro's number, equation of state of a perfect gas, absolute temperature

* Note: also molecular approach to such simple phenomena in liquids and solids as boiling, melting etc.

 

c. Work done by an expanding gas limited to isothermal and adiabatic processes

* Note: proof of the equation of the adiabatic process is not required

 

d. The Carnot cycle, thermodynamic efficiency, reversible and irreversible processes, entropy (statistical approach), Boltzmann factor

* Note: entropy as a path independent function, entropy changes and reversibility, quasistatic processes

 

 

5. OSCILLATIONS AND WAVES

a. Harmonic oscillations, equation of harmonic oscillation

* Note: solution of the equation for harmonic motion, attenuation and resonance - qualitatively

 

b. Harmonic waves, propagation of waves, transverse and longitudinal waves, linear polarization, the classical Doppler effect, sound waves

* Note: displacement in a progressive wave and understanding of graphical representation of the wave, measurements of velocity of sound and light, Doppler effect in one dimension only, propagation of waves in homogeneous and isotropic media, reflection and refraction, Fermat's principle

 

c. Superposition of harmonic waves, coherent waves, interference, beats, standing waves

* Note: realization that intensity of wave is proportional to the square of its amplitude. Fourier analysis is not required but candidates should have some understanding that complex waves can be made from addition of simple sinusoidal waves of different frequencies. Interference due to thin films and other simple systems (final formulas are not required), superposition of waves from secondary sources (diffraction)

 

 

6. ELECTRIC CHARGE AND ELECTRIC FIELD

a. Conservation of charge, Coulomb's law

 

b. Electric field, potential, Gauss' law

* Note: Gauss' law confined to simple symmetric systems like sphere,cylinder, plate etc., electric dipole moment

 

c. Capacitors, capacitance, dielectric constant, energy density of electric field

 

 

7. CURRENT AND MAGNETIC FIELD

a. Current, resistance, internal resistance of source, Ohm's law, Kirchhoff's laws, work and power of direct and alternating currents, Joule's law

* Note: simple cases of circuits containing non-ohmic devices with known V-I characteristics

 

b. Magnetic field (B) of a current, current in a magnetic field, Lorentz force

* Note: particles in a magnetic field, simple applications like cyclotron, magnetic dipole moment

 

c. Ampere's law

 

d. Law of electromagnetic induction, magnetic flux, Lenz's law, self-induction, inductance, permeability, energy density of magnetic field

* Note: magnetic field of simple symmetric systems like straight wire, circular loop and long solenoid

 

e. Alternating current, resistors, inductors and capacitors in AC-circuits, voltage and current (parallel and series) resonances

* Note: simple AC-circuits, time constants, final formulae for parameters of concrete resonance circuits are not require

 

 

8. ELECTROMAGNETIC WAVES

a. Oscillatory circuit, frequency of oscillations, generation by feedback and resonance

 

b. Wave optics, diffraction from one and two slits, diffraction grating, resolving power of a grating, Bragg reflection

 

c. Dispersion and diffraction spectra, line spectra of gases

 

d. Electromagnetic waves as transverse waves, polarization by reflection, polarizers

 

* Note: superposition of polarized waves

 

e. Resolving power of imaging systems

 

f. Black body, Stefan-Boltzmanns law

* Note: Planck's formula is not required

 

 

9. QUANTUM PHYSICS

a. Photoelectric effect, energy and impulse of the photon

* Note: Einstein's formula is required

 

b. De Broglie wavelength, Heisenberg's uncertainty principle

 

 

10. RELATIVITY

a. Principle of relativity, addition of velocities, relativistic Doppler effect

 

b. Relativistic equation of motion, momentum, energy, relation between energy and mass, conservation of energy and momentum

 

 

11. MATTER

a. Simple applications of the Bragg equation

 

b. Energy levels of atoms and molecules (qualitatively), emission, absorption, spectrum of hydrogenlike atoms

 

c. Energy levels of nuclei (qualitatively), alpha-, beta- and gamma-decays, absorption of radiation, halflife and exponential decay, components of nuclei, mass defect, nuclear reactions.

 

 

B. Practical Part


The Theoretical Part of the Syllabus provides the basis for all the experimental problems. The experimental problems given in the experimental contest should contain measurements.

Additional requirements:
1. Candidates must be aware that instruments affect measurements.

 

2. Knowledge of the most common experimental techniques for measuring physical quantities mentioned in Part A.

 

3. Knowledge of commonly used simple laboratory instruments and devices such as calipers, thermometers, simple volt-, ohm- and ammeters, potentiometers, diodes, transistors, simple optical devices and so on.

 

4. Ability to use, with the help of proper instruction, some sophisticated instruments and devices such as double-beam oscilloscope, counter, ratemeter, signal and function generators, analog-to-digital converter connected to a computer, amplifier, integrator, differentiator, power supply, universal (analog and digital) volt-, ohm- and ammeters.

 

5. Proper identification of error sources and estimation of their influence on the final result(s).

 

6.Absolute and relative errors, accuracy of measuring instruments, error of a single measurement, error of a series of measurements, error of a quantity given as a function of measured quantities.

 

7. Transformation of a dependence to the linear form by appropriate choice of variables and fitting a straight line to experimental points.

 

8. Proper use of the graph paper with different scales (for example polar and logarithmic papers).

 

9. Correct rounding off and expressing the final result(s) and error(s) with correct number of significant digits.

 

10. Standard knowledge of safety in laboratory work. (Nevertheless, if the experimental set-up contains any safety hazards the appropriate warnings should be included into the text of the problem.)

 

 

Please note:

  • The syllabus for  National Standard Examination in Physics (NSEP) is broadly  equivalent to the senior secondary level (Class XI and Class XII) of CBSE Physics. This is only a rough guideline, and there is no detailed syllabus given for NSEP.

 

  • The syllabus for Indian National Physics Olympiad (INPhO) is broadly similar to NSEP but the difficulty level of the questions will be higher. Questions and problems in National Olympiads are usually non-conventional and of high difficulty level, comparable to International Olympiads.

 

 

 


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