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LoginAnswer the following questions :
(a) Optical and radio telescopes are built on the ground while X-ray astronomy is possible only from satellites orbiting the Earth. Why ?
(b) The small ozone layer on top of the stratosphere is crucial for human survival. Why ?
Class 12 Physics in Class 12 3 years ago
(b) The ultraviolet RADIATIONS from the sun is harmful to the living cells and plants. The ozone LAYER absorbs ultraviolet radiation and prevents it from reaching the earth. It ALSO keeps the earth warm by trapping infra-red radiations.
Posted on 11 Dec 2021, this text provides information on Class 12 related to Physics in Class 12. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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