Optics Question 288
Question: Biological importance of Ozone layer is
[CBSE PMT 2001]
Options:
A) It stops ultraviolet rays
B) Ozone rays reduce greenhouse effect
C) Ozone layer reflects radio waves
D) Ozone layer controls $ O _{2}/H _{2} $ radio in atmosphere
Show Answer
Answer:
Correct Answer: A
Solution:
It stops ultraviolet rays