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Energy Transformation

A solar water...

Question

A solar water heater converts

A

Light energy into heat energy

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B

Heat energy into light energy

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C

Chemical energy into heat energy

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D

Light energy into electrical energy

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Solution

The correct option is A Light energy into heat energy
Solar heater absorbs light, and thus photons of light are absorbed and the energy contained in them is converted to heat energy, which raises the temperature of water flowing slowly in contact with the plate and thus heat energy is transfered from plate to water.
Hence a solar heater converts light energy into heat energy.
Option A.

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