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Problem
Problem
The electric field associated with a light wave is given by
E
=
E
0
sin
[
(
1.57
×
10
7
m
−
1
)
(
x
−
c
t
)
]
E = E_0 \sin [(1.57 \times 10^7 \text{ m}^{-1})(x - ct)]
E
=
E
0
sin
[(
1.57
×
1
0
7
m
−
1
)
(
x
−
c
t
)]
. Find the stopping potential when this light is used in an experiment on photoelectric effect with a metal having work-function 1.9 eV.
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