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Energy and Its Sources

State the ene...

Question

State the energy conversion for a HOT CATHODE RAY TUBE.

A

Electrical Energy to Heat Energy

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B

Light Energy to Heat Energy

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C

Chemical Energy to Heat Energy

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D

Electrical Energy to Light Energy

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E

Electrical Energy to Chemical Energy

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Solution

The correct option is D
Electrical Energy to Light Energy

There are 3 Principles behind working of Hot Cathode Ray Tube.

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Q. Name the devices or machines which convert :

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(v) light energy into heat energy.

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