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Energy

Which of the ...

Question

Which of the following energy change involves frictional force ?

A

Chemical energy to heat energy

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B

Kinetic energy to heat energy

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C

Potential energy to sound energy

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D

Chemical energy to kinetic energy

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Solution

The correct option is D Kinetic energy to heat energy
The energy change involves frictional force is kinetic energy to heat energy.

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Similar questions

Q. Which of the following energy change involves frictional force?

(a) chemical energy to heat energy
(b) kinetic energy to heat energy
(c) potential energy to sound energy
(d) chemical energy to kinetic energy

Which of the following energy change involves frcitional force ?

(a) chemical energy to heat energy

(b) kinetic energy to heat energy

(c) potential energy to sound energy

(d) chemical energy to kinetic energy

Q. Name the devices or machines which convert :

(i) Electrical energy into sound energy.
(ii) Heat energy into kinetic energy (or mechanical energy).
(iii) Chemical energy into kinetic energy (or mechanical energy).
(iv) Chemical energy into heat energy.
(v) light energy into heat energy.

Q. Which of the following natural directions of energy transformation are correct?
1.Heat energy to mechanical energy
2.Mechanical energy to heat energy
3.Heat energy to electrical energy
4.Electrical energy to heat energy

Q. Give an example for each of the following energy conversion: (1) electrical energy to kinetic energy. (2) chemical energy to electrical energy (3) sound energy to electrical energy

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