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Byju's Answer
Standard XII
Physics
Enter Einstein!
Einstein's Ph...
Question
Einstein's Photo electric equation:
A
h
v
=
1
2
m
v
2
+
W
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B
h
v
=
1
2
m
v
2
−
W
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C
h
v
=
1
2
m
v
+
W
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D
h
v
=
1
2
m
v
−
W
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Solution
The correct option is
A
h
v
=
1
2
m
v
2
+
W
Acoording to Einstein's photoelectric equation,
h
v
=
1
2
m
v
2
+
ω
(
h
v
0
=
ω
=
w
o
r
k
f
u
n
c
t
i
o
n
)
⇒
E
=
1
2
m
v
2
=
h
v
−
h
v
0
Suggest Corrections
0
Similar questions
Q.
Einstein's photo-electric equation states that
E
k
=
h
v
−
W
.
In this equation,
E
k
refers to:
Q.
A photon of energy hv is absorbed by a free electron of a metal having work function w < hv.
Q.
Einstein’s photoelectric equation states that
E
k
=
h
v
−
W
, In this equation
E
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refers to :
Q.
Explain photoelectric effect on the basis of quantum model and derive the photoelectric equation
h
v
=
1
2
m
v
2
+
h
v
0
, where symbols have their usual meanings.
Q.
According to Einstein's interpretation of the photo-electric effect, the maximum
K
E
of photoelectric depends on
(
h
v
−
W
)
where
v
is the frequency incident radiation and W in the work function. For three difference metals a graph is plotted between maximum
K
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and the frequency of incident radiations. The three graphs obtained
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