Em Waves Question 41
Question: Approximate height of ozone layer above the ground is
[CBSE PMT 1991]
Options:
A) 60 to 70 km
B) 59 km to 80 km
C) 70 km to 100 km
D) 100 km to 200 km
Show Answer
Answer:
Correct Answer: A
Solution:
60 to 70 km
BETA
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