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AP EAMCET Engineering 2015 Code C Paper
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© examsnet.com
Question : 95
Total: 160
The ratio of the deBroglie wave lengths for the electron and proton moving with the same velocity is (
m
p
-mass of proton,
m
e
−
mass of electron)
m
p
:
m
e
m
p
2
:
m
e
2
m
e
:
m
p
m
e
2
:
m
p
2
Validate
Solution:
DeBroglie wavelength
(
λ
)
=
h
p
λ
=
h
m
v
λ
∝
1
m
λ
1
λ
2
=
m
2
m
1
⇒
λ
electron
λ
proton
=
m
proton
m
electron
λ
e
λ
p
=
m
p
m
e
© examsnet.com
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