Atomic Structure 1 Question 30
6. A stream of electrons from a heated filament was passed between two charged plates kept at a potential difference
(2016 Main)
(a)
(b)
(c)
(d)
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Answer:
Correct Answer: 6. (c)
Solution:
- Plan As you can see in options, energy term is mentioned hence, we have to find out relation between
de-Broglie wavelength for an electron
Kinetic energy of an electron
As we know that,
From equations (i) and (ii), we get
