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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.
What will happen to the beam when it passes through the electric field?
State three factors on which the rate of emission of electrons from a metal surface depends
State the penetrating range of α, β and γ radiations.
A radioactive nucleus `""_"Z"^"A"` X first emits a beta particle and then an alpha particle to give the resulting nucleus `""_"Q"^"P"` Y What will be the values of P and Q in terms of A and Z?
In a cathode ray tube state the purpose of the fluorescent screen.
Name the three main parts of a Cathode Ray Tube.
How is a cathode ray tube used to convert an electrical signal into a visual signal?
Name a common device where a hot cathode ray tube is used.
Which part of the atom undergoes a change in the process of radioactive decay?
Mention one important function of ear main parts:
State the principle on which the functioning of a nuclear reactor is based.
