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The wavelength associated with a golf ba...

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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Knowledge Check

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    B
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    D
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    A
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    B
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    C
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