Assertion :- It is necessary to keep high vacuum in Coolidge tube t...

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Assertion :- It is necessary to keep high vacuum in Coolidge tube to produce X-rays.
\( \mathrm{P} \)
Reason :- High vacuum is kept in Coolidge tube
W so that the electron emitting from filament of tube may not lose their kinetic energy in colliding with atoms of the gas in tube.
(1) A
(2) \( \mathrm{B} \)
(3) \( \mathrm{C} \)
(4) D
- (A) Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.
(B) Both assertion and reason are correct statements, but reason is not the correct explanation of the assertion.
(C) Assertion is correct, but reason is wrong statement.
(D) Assertion is wrong, but reason is correct statement.
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