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Chemistry
An electron moving with velocity 'v' is found to have a certain value of de-Broglie wavelength. The velocity to be possessed by the neutron to have the same de-Broglie wavelength is
Q. An electron moving with velocity 'v' is found to have a certain value of de-Broglie wavelength. The velocity to be possessed by the neutron to have the same de-Broglie wavelength is
1344
215
NTA Abhyas
NTA Abhyas 2020
Structure of Atom
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A
v
1840
11%
B
1840
v
25%
C
1840
v
56%
D
v
8%
Solution:
λ
e
=
m
e
V
h
λ
m
=
m
n
v
n
h
∴
λ
e
=
λ
n
∴
m
e
v
1
=
m
n
v
n
1
or
v
V
n
=
m
n
m
c
=
1.67
×
1
0
−
24
9.1
×
1
0
−
28
=
1840
1
or
v
n
=
1840
1
×
v
=
1840
v