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Statement 1 : Potassium and caesium are ...

Statement 1 : Potassium and caesium are useful as electrodes in photoelectric cells.
Statement 2 : Potassium and caesium, when irradiated with light, the light energy absorbed is sufficient to eject out the electron from a atom.

A

Statement 1 is True, statement 2 is True , Statement 2 is Correct explanation for Statement 1.

B

Statement 1 is True, Statement 2 is True , Statement 2 is NOT a correct explanation for Statement 1.

C

Statement 1 is True, Statement 2 is False

D

Statement 1 is False, Statement 2 is True.

Text Solution

Verified by Experts

The correct Answer is:
A
Low ionisation energis of potassium and cresium.
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