Modern Physics 4 Question 4
4. A particle of mass ’ ’ and charge ’ ’ is accelerated by a potential difference of
(a) 4.47
(b) 10.00
(c) 0.07
(d) 14.14
(Main 2019, 12 Jan I)
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Solution:
- de-Broglie wavelength associated with a moving charged particle of charge
is
where,
Ratio of de-Broglie wavelength for particle
Substituting the given values, we get.