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Class 11 Physics Practice Test: Introduction to Work, Energy and Power
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Avg score: 74% Most missed: “The unit of energy has been named after ______”

Work is the amount of energy transferred due to an object moving some distance because of an external force. Energy is a system’s ability to do work. Power is the rate at which energy (work done) is transferred or transformed with respect to time.

Energy and work both have the same corresponding SI unit, joules denoted by J. Power has a SI unit of watts, denoted by W.

Class 11 Physics Practice Test: Introduction to Work, Energy and Power
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10 Questions

1. Energy is ________
2. The energy possessed by a body by the virtue of its position is called ______
3. What is the correct expression for Work?
4. The energy possessed by a body by the virtue of its motion is called ______
5. In which category do potential and kinetic energy fall?
6. How many Ergs are there in 1 Joule?
7. The unit of energy has been named after ______
8. Energy involved in creating work _____
9. Power is ______
10. What is the correct expression for power?