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प्रश्न
Name a gas caused by the Greenhouse effect
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उत्तर
A gas caused by the greenhouse effect is carbon dioxide.
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संबंधित प्रश्न
State the energy conversion taking place in a cathode ray tube
Radioactive substances were found to give off three types of rays. Name them. How do they
(a) React to the magnetic field?
(b) React to the electric field?
(c) Act when different thickness of lead sheets is placed in their path?
Why should a radioactive substance not be touched by hands?
Why are materials of low work function preferred as thermionic cathode materials?
How is a cathode ray tube used to convert an electrical signal into a visual signal?
What are ‘Becquerel rays’?
From α, β and γ-rays, name the one which travels with the speed of light?
It is advised not to touch a radioactive substance by hand. Give reason.
