The De-broglie wavelength of a tennis ball of mass 66 g moving with the velocity of 10 metre per second is approximately :
The De-broglie wavelength of a tennis ball of mass 66 g moving with the velocity of 10 metre per second is approximately :
A. `10^(-35)` metres
B. `10^(-33)` metres
C. `10^(-31)` metres
D. `10^(-36)` metres
4 views
1 Answers
Correct Answer - B
De-broglie wavelength
`lambda=h/(mv)=(6.62xx10^(-34))/(66xx10^(-3)xx10)=10^(-33) M`
4 views
Answered