Question

21. Light is

(A) an electromagnetic wave

(B) a form of energy visible to the human eye

(C) the same type of energy as an X-ray

(D) all of the above
​

Answer 1

Answer:

b a form of energy visible to the human eye

Answer 2

Answer:

answer is b bro

it cant be a or c

because it's a light form of sun rays not electromagnetic wave

and the X ray light is not suitable