Physics is one such subject that can help students comprehending and understanding the concepts and basics of the subject. The team at Entrancei comes like a bridge to students looking forward to clearing their concepts. In general, physics is one such subject that requires dedicated attention in order to conquest its critical concepts. The NCERT solutions for class 11 physics are like assistance to students for understanding their concepts.The complete set of NCERT solutions for class 11 physics has been bifurcated into various segments. Students can find a step-by-step guide to solve each and every question. The complete study material has been ensured after regular checks through our experts. Students can also find some short columns in NCERT solutions for class 11 physics written down by our experts.
Special tips and tricks are also provided in solutions offered by Entrancei. The complete set has been prepared by experts with years of experience in clearing doubts of students. Since syllabus to class 11th physics can be tricky to some extent and wide. To resolve this issue, NCERT solutions for class 11 physics comprise of concise and only important aspects related to the subject material.In order to grow academically, it is crucial for students to strengthen their concepts. Students can easily resolve their doubts and queries through NCERT solutions for class 11 physics provided by NCERT. The most prominent benefit of this NCERT solution is them being accurate.Students can easily do their homework, with our stagnating at any spot. These NCERT solutions for class 11 physics boost a significant amount of morale among students and perform better among all the students. It is already known how important class 11th all about.These NCERT solutions for class 11 physics are prepared considering the latest syllabus. Competitive exams are part of a student’s life. These solutions become a foundation step to score topmost marks in competitive exams. Any national level competitive exams can be aced by this solution.
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In class 11 generally students face problems in understanding physics. This is due to that they are unable to cope up with the conceptual and numerical problems. Students from day 1 should focus on the physics subject. They should do first of all illustrations in physics before doing unsolved problems as this will enhance their understanding of concepts and will boost their confidence. To help you while solving questions of exercise given in NCERT. We have prepared detail step by step explanation of NCERT solutions.
What is Physics; Need for measurement, units for measurement, systems of units- SI : fundamental and derived units. Dimensions and their applications. Orders of magnitude, Accuracy and errors in measurement – random and instrument errors, Significant figures and rounding off, Graphs, Trigonometric functions, simple ideas of differentiation and integration.Physics is a basic discipline in the category of Natural Sciences, which also includes other disciplines like Chemistry and Biology.The word Physics comes from a Greek word ‘FUSIS’ meaning nature.Physics is the study of nature and its laws.We expect that all these different events in nature take place according to some basic laws and revealing these laws of nature from the observed events in Physics.Physics is quantitative science.To describe any physical phenomenon, measurements of different physical quantities is essential.Measurement of any physical quantity involves comparison with certain basic, arbitrary chosen, internationally accepted reference standard called unit.
DYNAMICS-It is the study of the cause of motion along with its description. This chapter, we are going to propose relationship between the force and the consequent motion of a body on which the force acts.FORCE -Force is that external agent which
Workdone by a constant force and by a variable force, unit of work, kinetic energy, power, Elastic collision in one and two dimensions, Potential energy, gravitational energy, and its conversion to kinetic energy, potential energy of a spring.Different forms of energy, conservation of energy.In physics, work is always associated with a force and a displacement.We note that for work done to be done, the force must act through a distance.When a coolie is carrying same load on his head and waiting for the arrival of the train, he is not doing any work.The term work is entirely different from its meaning in day to day life.Work is said to be done by a force acting on a body provided the body is displaced actually in any direction except in a direction perpendicular to the direction of the force.
Rigid Body-A body which cannot be deformed by application of any large force.Practically there is no body which behaves like a rigid body.But each body which we will consider in this chapter is assumed to be a rigid body.Translation of a rigid body-If each particle of the body has equal displacement in same time interval, the motion of the particle will be pure translational.Rotation of a Rigid body -If each particle of a rigid body is moving in a circle, the planes of all circles are parallel to each other, time taken by each particle for one complete revolution is same and centres of each circle are lying on a straight line. The motion is rotation about the straight line and this line is called the axis of rotation.Sometimes axis passes through the body and some times does not pass through the body.
After studying the observations of previous astronomers and making his own studies, Newton came to the conclusion that: “Every particle in the universe attract every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them”. This is known as Newton’s law of gravitation.
A wave originates due to displacement of some portion of an elastic medium from its normal position, causing it to oscillate about an equilibrium position. Because of the elastic properties of the medium, the disturbance is transmitted from one particle to another. Such a progressing disturbance is called a wave.A wave allows energy to be transferred from one point to another some distance away without any particles of the medium travelling between the two points.CONCEPTS OF AMPLITUDE, FREQUENCY AND PHASE
Longitudinal And Transverse Waves-In a longitudinal wave the particles of a medium conveying a mechanical wave moves back and forth along the direction of propagation. Sound in air is a longitudinal wave.In a transverse wave the particles of the medium oscillate in the direction perpendicular to the direction of propagation.
Q-1. How NCERT text book help me to build strong foundation for class 11 Physics ?
Ans- Class 11 physics consist of very fundamental topics which are required to understand chapters of physics like u learn mechanics and unit and dimension which is used in all most chapters of physics. To score good marks in class 11 physics you need to have clear concept on theory part of the NCERT text book. Start with chapter -1 given in the NCERT textbook and prepared your notes. Mention all important formulas and derivation used in the chapter.do solve all the questions given in the NCERT exercise with the help of NCERT solution for class 11 physics.
Q-2. How to use NCERT solutions for class 11 physics effectively ?
Ans- While solving the exercise specially for numerical part of chapter you need few references to build the numerical solving skill. While solving questions if you face problem use NCERT solution for class 11 physics but always remember use of solution must be done after multiple self-attempts.
Q-3. Should we need to solve additional MCQ based questions apart from NCERT exercise ?
Ans- Yes to do good in class 11 physics MCQ questions are very helpful. MCQ based questions will help you to understand the principle concept of the theory part. MCQ or objective type question helps to find out your mistakes.
Q-4. How to solve numerical given in NCERT exercise ?
Ans- To become expert in numerical of class 11 physics you must follow three steps such as 1. Read and understand the theory part of chapter and remember all formulas use in the chapters.
2. Try to solve the solved example given in the NCERT text book by yourself and then check the solutions and find out the missing link.
3. Attempt each and every question several time before taking help from NCERT solutions for class 11 Physics.
Q-5. Is NCERT class 11 Physics text book is enough for entrance exam ?
Ans-Yes NCERT text book for class 11 physics is sufficient for CBSE board as well as competitive entrance exam. All most all questions asked in JEE or NEET are directly from NCERT text book.
Q-6. Do we need to read additional text book for class 11 Physics Theory?
Ans- If you find problem in understanding the theory part of class 11 physics from NCERT than you can follow few additional physics reference books else it is not required.