Ncert solutions for class 11 physics chapter 2
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The fire was one of the first discovery made by man. Therefore, the number of relations from A to B is 26. One can easily learn the operations of a pendulum clock, Vernier calliper, scale and other instruments required to measure the physical quantities on micro and macro level through this chapter, Units and Measurement. The total linear momentum of the system of billiards balls will remain conserved even in the case of an inelastic collision.
Answer The displacement y has the dimension of length, therefore, the formula for it should also have the dimension of length. Simplicity of Physics — Physics is a basic Science. What does this imply for the accuracy of the standard cesium clock in measuring a time-interval of 1 s? Simplicity of Physics — Physics is a basic Science.
A more reliable estimate is got from a set of 200 measurements when compared with a set of 10 measurements. Chapters like the laws of motion, oscillations, thermodynamics and many others are made easy by understanding the solutions. This is where the digital education will be of a great help. Since the work done by a conservative force over a closed path is zero, the work done by the gravitational force over every complete orbit of a comet is zero. Assume that the spring has a negligible mass and the pulley is frictionless. However, due to atmospheric friction, the total energy of the satellite decreases by a small amount. Surface tension of mercury at the temperature of the experiment is 0. The remaining elements of set A × A are given below —1, —1 , —1, 1 , 0, —1 , 0, 0 , 1, —1 , 1, 0 , and 1, 1. Ans: When compared with the mass of a cricket ball, the mass of Jupiter is very large. If the value of P calculated using the above relation turns out to be 3. Answer It is given that set A has 3 elements and the elements of set B are 3, 4, and 5. Write three properties Sketch equipotential surfaces of i Isolated point charge ii Uniform electric field iii Dipole.
NCERT Solution for Class 11 Maths Relations and Functions Exercise 2.3 - One shall also learn on alternative methods to measure length and estimation of very small distances like size of a molecule.
Hope you like them and do not forget to likesocial share and comment at the end of the page. Question 1 Iffind the values of x and y. Answer Given Since the ordered pairs are equal, the corresponding elements will also b equal. Answer It is given that set A has 3 elements and the elements of set B are 3, 4, and 5. If the statement is false, rewrite the given statement correctly. Therefore, A × C is a subset of B × D. How many subsets will A × B have. If x, 1y, 2z, 1 are in A × B, find A and B, where x, y and z are distinct elements. Question 10 The Cartesian product A × A has 9 elements among which are found —1, 0 and 0, 1. Find the set A and the remaining elements of A × A. Therefore, —1, 0, and 1 are elements of A. The remaining elements of set A × A are given below —1, —1—1, 10, —10, 01, —11, 0and 1, 1.
