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Which of the following matals is sensiti...

Which of the following matals is sensitive to a wide range of photons from the entire visible range of the electromagnetic spectrum?

A

Li

B

Na

C

Cs

D

Sr

Text Solution

Verified by Experts

The correct Answer is:
C
Cs, the minimum photon energy necessary to displace an electron is least for Cs and thus Cs is sensitive to a wide range of photons, from across the entire visible range of the electromagnetic spectrum.
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