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The de Broglie wavelength of a tennis ba...

The de Broglie wavelength of a tennis ball of mass `60g` moving with a velocity of 10 metres per second is approximately :

A

`10^(-33)` metres

B

`10^(-31)` metres

C

`10^(-16)` metres

D

`10^(-25)` metres

Text Solution

Verified by Experts

The correct Answer is:
A
`m = 60 g =6 xx 10^(-2) kg, v = 10 ms^(-1)`
`lambda = (h)/(mv) = (6.6 xx 10^(-34) kgm^(2) s^(-1))/((6 xx 10^(-2) kg) xx (10 ms^(-1)))`
`1.1 xx 10^(-33) m ~~ 10^(-33) m`
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