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The wavelength of a golf ball weighing 200g and moving with a speed of 5m/h is of the order :

$(a)\;10^{-10}m\qquad(b)\;10^{-20}m\qquad(c)\;10^{-30}m\qquad(d)\;10^{-40}m$

1 Answer

$\lambda=\large\frac{h}{mu}$
$\quad=\large\frac{6.626\times 10^{-27}}{200\times 5}$
$\quad=6.626\times 10^{-30}m/h$
Hence (c) is the correct answer.
answered Jan 15, 2014 by sreemathi.v
 

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