Q)
(chatquestion)...1/7
1) 12 x 1U
3) 12 x 107
4) 12
17. 17 to 20 Conceptual
13)3 14)1 15)I
1731 18)2 19)4 20)3
Light of wavelength 4000
a metal surface of work
INTS & SOLUTIONS
EXERCISE-II
Given h=6.62 x 10-34 Js,
the maximum KE of
PHOTO ELECTRIC EFFECT
A photometal is illuminated by lights.
wavelengths and respectively. T
maximum kinetic energies of electro
1.
emitted and the corresp
are respectively
potential
1) 0. 6 eV, 0.6 V
3) 3.1 eV, 3.1 V
The K.E of the electror
2) 2.
emitted in the two cases are
E, and E
4) 0-
respectively. The work function of met
is.
6.
incident wavelength is a
K.E of the electron to
wavelength must be
Ed-Ed
1)
EA-E
2)
E +E
3)スーム
4) -
2. Light of wavelength strikes
sensitive surface and electrons
with kinetic energy E.
is to be
1D2え
2)
o-a)
1 Answer
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