Question

Q76) Which of the following statements about the ultraviolet rays is incorrect?

• A. a) UV radiations of wavelengths shorter than UV-B are almost completely absorbed by the earth’s atmosphere.
• B. b) High doses of UV-C causes snow-blindness.
• C. c) UV-A accounts for the most of the ultraviolet rays reaching the surface of the earth.
• D. d) none of these

Answer 1

The correct option is B

b) High doses of UV-C causes snow-blindness.

B)

Explanation:

High doses of UV-B causes snow-blindness. UV-C have short wavelength and are almost completely absorbed by the ozone layer and atmosphere.