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Question: A cricket ball of \(0.5kg\) is moving with a velocity of \(100m/\sec\). The wavelength associated wi...

A cricket ball of 0.5kg0.5kg is moving with a velocity of 100m/sec⁡100m/\sec. The wavelength associated with its motion is

A

1/100cm1/100cm

B

6.6×10−34m6.6 \times 10^{- 34}m

C

1.32×10−35m1.32 \times 10^{- 35}m

D

6.6×10−28m6.6 \times 10^{- 28}m

Answer

1.32×10−35m1.32 \times 10^{- 35}m

Explanation

Solution

From de Broglie equation

λ=hmv\lambda = \frac{h}{mv}= 6.62×10−340.5×100\frac{6.62 \times 10^{- 34}}{0.5 \times 100} = 1.32×10−35m1.32 \times 10^{- 35}m.