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Problem
Problem
Light described at a place by the equation
E
=
(
100
V/m
)
[
sin
(
(
5
×
10
15
s
−
1
)
t
)
+
sin
(
(
8
×
10
15
s
−
1
)
t
)
]
E = (100 \text{ V/m}) [\sin((5 \times 10^{15} \text{ s}^{-1})t) + \sin((8 \times 10^{15} \text{ s}^{-1})t)]
E
=
(
100
V/m
)
[
sin
((
5
×
1
0
15
s
−
1
)
t
)
+
sin
((
8
×
1
0
15
s
−
1
)
t
)]
falls on a metal surface having work-function 2.0 eV. Calculate the maximum kinetic energy of the photoelectrons.
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