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प्रश्न
Name the radiations which are absorbed by greenhouse gases in the earth’s atmosphere.
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उत्तर
Infrared radiations of long wavelengths are absorbed by greenhouse gases in the Earth’s atmosphere.
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संबंधित प्रश्न
Answer the following questions based on a hot cathode ray tube
Name the charged particles
Answer the following questions based on a hot cathode ray tube.
What will happen to the beam when it passes through the electric field?
What are free electrons?
Name a gas caused by the Greenhouse effect
State any two precautions to be taken while handling radioactive substances
In a cathode ray tube state:
(i) the purpose of covering cathode by thorium and carbon.
(ii) the purpose of the fluorescent screen.
(iii) how is it possible to increase the rate of emission of electrons.
What do you mean by Atomic mass
In following fig. shows a mixed source S of alpha and beta particles in a thick lead container. The particles pass through a magnetic field in a direction perpendicular to the plane of paper (inwards as shown by x). State and show in the diagram how the particles get affected.
In a cathode ray tube state the purpose of covering cathode by thorium and carbon.
88Ra226 experiences three α - decay. Find the number of neutrons in the daughter element.
