1.

A 200g golf ball is moving with a speed of 5 m per hour. The associated wave length is \[(h=6.625\times {{10}^{-34}}J\text{-}sec)\] [MP PET 2003]

A.                 \[{{10}^{-10}}\,m\]         
B.                 \[{{10}^{-20}}\,m\]
C.                 \[{{10}^{-30}}\,m\]         
D.                 \[{{10}^{-40}}\,m\]
Answer» D.                 \[{{10}^{-40}}\,m\]


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