Question

Which of the following tasks can be performed by light?

• A. B
• B. K
• C. J
• D. U

Answer 1

Answer: (A), (B), (C)

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 coming with light to cook food.