Q. Read the following statements carefully and select the correct ones I. UV rays essential for the production as well as degradation of ozone gas II. Ozone present in ionosphere acts as a shield absorbing UV radiation coming from the sun III. One fourth of the incoming solar radiation is reflected by the atmospheric gases and clouds and only half of the incoming solar radiation falls on the earth’s surface, heating it. Of this only a small portion is reflected back
A) I and II
B) I and III
C) II and III
D) I, II and III
Explanation
All of the given statements are correct except II Ozone present in stratosphere acts as a shield absorbing UV radiation coming from the sun
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.