Atomic Structure Question 403

Question: The de Broglie wavelength of a tennis ball of mass 60 g moving with a velocity of 10 metres per second is approximately

Options:

A) $ {10^{-31}} $

B) $ {10^{-16}} $

C) $ {10^{-25}} $

D) $ {10^{-33}} $

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Answer:

Correct Answer: D

Solution:

  • $ \lambda =\frac{h}{mv}=\frac{6.6\times {10^{-34}}}{60\times {10^{-3}}\times 10}={10^{-33}}m $


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