1.

Assertion (A) : X - rays are generated when a beam of high energy electrons bombard a metal target. Reason (R ) : X - rays were discovered by Sir William Roeiitgen.

Answer»

If both assertion and rason are true and the reason is the correct explanation of the assertion.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
If assertion is true but reason is FALSE.
If the assertion is false but reason is true.

Solution :When a beam of high energy ELECTRONS is bombarded on a metal target, the electron is SLOWED down and energy is RADIATED in the form of X-ray photon.


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