1.What happens to the intensity of illumination as the square of the distance from the source of light increases?
a. decreases
b. increases
c. remains the same
d. cannot be determined
2.Which of the following electromagnetic waves(EM)has the highest frequency?
a. gamma rays
b. infrared radiation
c. radio wave
d. ultraviolet light
Answers & Comments
Answer:
1.A
2.D
Explanation:
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