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Physics
The time by a photoelectron to come out after the photon strikes is approximately
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Q. The time by a photoelectron to come out after the photon strikes is approximately
NTA Abhyas
NTA Abhyas 2020
A
$10^{- 1} \, s$
0%
B
$10^{- 4}s$
0%
C
$10^{- 10}s$
100%
D
$10^{- 16}s$
0%
Solution:
Emission of photo-electron starts from the surface after incidence of photons in about $10^{- 10}s$