(3) hv
work function 1.07 eV is irradiated with light of wavelength 332 nm. The retarding potential
A metal surface of work function 1.07 eV is
required to stop the escape of photo electron is
(0) 4.81 eV
(3) 2.66 eV
(2) 3.74 eV
(4) 1.07 eV
nicht of wavelength 300
is incident on this
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Answer:
ANSWER
Energy of incident light
E(eV)=
3320
12375
=3.72eV
We know that, E=W
0
+eV
0
V
0
=
e
(E−W
0
)
=
e
3.72eV−1.07eV
V
0
=2.65 Volt
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