A proton and an a-particle are accelerated from rest by 2 V and 4 V potentials, respectively. The ratio of their de-Broglie wavelength is:
Text Solution
Verified by ExpertsThe correct answer is:
C
The formula to calculate the de Broglie wavelength of the proton is given by
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The formula to calculate the de Broglie wavelength of the alpha particle is given by
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Divide equation by equation and simplify to obtain the required ratio.
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Substitute the values of the known parameters into equation to calculate the required ratio.

= 4 : 1
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