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Intensity vs Photocurrent

The material ...

Question

The material used in photoelectric cells contains:

A

C s

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B

S i

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C

S n

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D

T i

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Solution

The correct options are
A $C s$
D $T i$
$C s$ and $T i$ is used in photoelectric cells because of low ionization enthalpy. electrons could be emitted very easily when exposed to light.

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