NCERT solutions for class 11 physics- Foundations for science and engineering are the chapters studied in class 11 and 12 science branch. If you have easy tools like the solutions of NCERT physics class 11 you can make the foundation of physics stronger. Class 11 NCERT physics is divided into part 1 and 2. Part 1 contains eight chapters and part 2 has 7 chapters. CBSE NCERT solutions for class 11 physics for both the parts are important and are helpful for the board exams. NCERT solutions are helpful for preparations of competitive exams like NEET, JEE Main, KVPY etc. Solutions of NCERT for class 11 physics are building blocks to help solve questions from other reference books too.
NCERT solutions for class 11 physics chapter 1 Physical world: This chapter gives general ideas about the definition of science, physics and fundamental forces in nature. A few inventions and scientific principles are also mentioned in the chapter.
Solutions of NCERT class 11 physics chapter 2 Units and Measurement: Introduction to fundamental and derived units, errors and measurement of errors, significant figures and dimension, and dimension analysis are the topics dealt with in this chapter. The concepts studied here are used throughout class 11 and 12 physics, mainly the concept of dimensional formula. One question is expected from the chapter for CBSE board exam.
CBSE NCERT solutions for class 11 physics chapter 3 Motion in a straight line: The concepts of position, distance, speed, velocity, acceleration, equations of uniform motion and relative velocity are explained in the chapter. The concept mentioned here is the basics of mechanics and will be used in the coming chapters.
NCERT solutions for class 11 physics chapter 4 Motion in a Plane: Vectors, resolution of vectors, motion in a plane, projectile motion and uniform circular motion are taught in the chapter motion in a plane. The concept of vectors will be used to solve the problems of class 11 and 12 th physics.
Solutions of NCERT class 11 physics chapter 5 Laws of Motion: Inertia, Newton's laws of motion, circular motion and how to solve problems in mechanics are the major topics covered in the chapter laws of motion. It is pretty important to understand these concepts as they will be used in further chapters of class 11 and 12 physics.
CBSE NCERT solutions for class 11 physics chapter 6 Work, Energy and Power: The main content of this chapter is the work-energy theorem, power, and collisions. Collision is an important topic where questions are expected for the final exam. The application of work-energy theorem is used in further coming chapters of class 11 and 12 physics.
NCERT solutions for class 11 physics chapter 7 System of Particles and Rotational Motion: This chapter of grade 11 NCERT physics deals with the rigid body, the centre of mass, the moment of inertia and kinematics and dynamics of rotational motion. This chapter is important for competitive exams like NEET and JEE Mains.
Solutions of NCERT class 11 physics chapter 8 Gravitation: This unit introduces the concepts of gravitational force, field and energy, Kepler's law and satellite. A tip to be mentioned here is to memorize the formulas and derivations mentioned in the chapter as it is helpful in solving problems and also similar types of formulas are studied in class 12 physics unit electrostatics.
CBSE NCERT solutions for class 11 physics chapter 9 Mechanical Properties of Solids: The main concept of this chapter is stress, strain and Hooks law. Grasping these concepts well helps in competitive exams like NEET and JEE Mains and for board exams also.
NCERT solutions for class 11 physics chapter 10 Mechanical Properties of Fluids: This chapter deals with the concept of pressure, streamline flow, Bernoulli's principle, viscosity, and surface tension. These concepts can be studied with the help of real-life examples.
Solutions of NCERT class 11 physics chapter 11 Thermal Properties of Matter: The concept of temperature and heat, specific heat, expansion, heat transfer, change of state, calorimetry and Newtons laws of cooling are discussed in thermal properties of matter. There are many interesting examples and real-life application of heat and temperature mentioned in NCERT class 11 physics.
CBSE NCERT solutions for class 11 physics chapter 12 Thermodynamics: Laws of thermodynamics, reversible and irreversible process, heat engine, refrigerator, and carnot engine are the main topics discussed in thermodynamics.
NCERT solutions for class 11 physics chapter 13 Kinetic Theory: This chapter deals with an introduction to the kinetic theory of gases and an explanation of some properties using kinetic theory. This chapter is small in length but is very important for the board and competitive exams like NEET and JEE Main.
Solutions of NCERT class 11 physics chapter 14 Oscillations: Periodic and oscillatory motions, simple harmonic motion (SHM), damped and forced oscillations are discussed in the chapter. It is necessary to understand the difference between periodic and oscillatory motion mentioned in CBSE class 11 physics. You can expect more questions from the topic of SHM.
CBSE NCERT solutions for class 11 physics chapter 15 Waves: This is the last chapter of CBSE class 11 physics part 2. The main topics dealt in this chapter are transverse and longitudinal wave, beats and Doppler effect.
Q 2.22: Just as precise measurements are necessary in science, it is equally important to be able to make rough estimates of quantities using rudimentary ideas and common observations. Think of ways by which you can estimate the following (where an estimate is difficult to obtain, try to get an upper bound on the quantity) :
(a) the total mass of rain-bearing clouds over India during the Monsoon
(b) the mass of an elephant
(c) the wind speed during a storm
(d) the number of strands of hair on your head
(e) the number of air molecules in your classroom.
Q 3.15 The instantaneous speed is always equal to the magnitude of instantaneous velocity. Why?
Q8 (b) Is the total linear momentum conserved during the short time of an elastic collision of two balls?