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Class X : Physics

Chapter: Energy

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Pre-requisites

In this chapter, since we are dealing with work and energy, we need to revise the concepts which we learnt regarding work and energy in the earlier classes. This will help in gaining a better understanding of what you learn now. We will quickly take you through the concepts introduced earlier. Definition of work, energy and their SI units. (Explanation) Definition of kinetic energy and the factors on which it depends (Explanation) Definition of potential energy and its examples (Explanation) The interconversion of energy and its practical applications (Explanation) Potential energy of a body of mass m at a height h is mgh (Explanation)


Pre-test
A pre-test allows you to be sure you have a clear understanding of the concepts given above. Your score in this test is an indicator of your familiarity with the pre-requisites. We suggest you go through the pre-requisites again in case you do not score high in this test. And remember, you can take this test only once (unless specified otherwise). The evaluation for this test will be available in your performance tracker. To take the test, click here

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