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Question

Which of the following task(s) can be done by light?


  1. B

  2. K

  3. J

  4. U


Solution

The correct options are
A

B


B

K


C

J


Light is a form of energy. It can do various kinds of work. The most important work that light does is that it enables us to see things. Light can also be used to produce electricity using solar cells. Solar cookers use the heat rays to cook food.

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