Question

The wavelength associated with a golf ball weighing 200g and moving at a speed of $5m{h}^{-1}$ is of the order:

• A. ${10}^{-10}m$
• B. ${10}^{-20}m$
• C. ${10}^{-30}m$
• D. ${10}^{-40}m$

Answer 1

Answer: (C)

The wavelength associated with a golf ball is $\lambda =\frac{h}{mv}=\frac{6.626\times {10}^{-34}}{0.2\times \frac{5}{3600}}=2.4\times {10}^{-30}m$