Dual Nature Of Light Question 187

A particle A of mass ’m’ and charge ‘q’ is accelerated by a potential difference of 50V. Another particle B of mass ‘4m’ and charge ‘q’ is accelerated by a potential difference of 2500V. The ratio of de Broglie wavelength $ \frac{{\lambda_{A}}}{{\lambda_{B}}} $ is

Solution:

Answer: 14.14



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