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Standard XII
Physics
NCERT
Question
X-Rays of shortest wavelength of 0.02 nm are produced, when an X-Ray tube operates at a potential difference of
62 KV
124 KV
248 KV
100 KV
A
248 KV
B
124 KV
C
62 KV
D
100 KV
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Solution
Verified by Toppr
E
n
e
r
g
y
=
h
c
λ
=
1240
0.02
=62,000 eV
energy =
p
.
d
×
e
p
.
d
=
e
n
e
r
g
y
e
=
62
,
000
e
V
e
=
62
×
10
3
V
=62 KV
So, the answer is option (A).
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