The wavelength associated with a golf ball weighing `200 g` and moving at a speed of `5 m h^(-1)` is of the order
A
`10^(-30)m`
B
`10^(-20)m`
C
`10^(-40)m`
D
`10^(-10)m`
Text Solution
Verified by Experts
The correct Answer is:
A
According to de Broglie's equation, `lambda = (h)/(p) = (h)/(mv)` Therefore, `lambda = ((6.63xx10^(-34)kgm^(2)s^(-1)))/((200xx10^(-3)kg)((5)/(60xx60)ms^(-1)))` `= 23.9 xx 10^(-31)m = 2.39 xx 10^(-30m`
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