Question

The statements given below are incorrect. Write the correct statements:
1. A teacher taking a class while standing, does work.
2. The energy released during splitting of nucleus of an atom is in the form of light energy.
3. Work is done when you hold a heavy suitcase in your hand.
4. Work done by a body is the product of power and displacement.
5. The S.l. unit of work or energy is calorie.
6. When we speak in front of a microphone, the light energy changes into electric energy.
7. During the charging of an inverter battery, the chemical energy changes into electric energy.
8. Work is done when a force causes displacement at right angles to its own direction
9. During photosynthesis by plants, the heat energy changes to light energy
10. Work done by a body is the product of power and displacement. .



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Answer 1

Answer:

only 3 ,5 and 10 are incorrect hope it will help you with the correct answer