Object of 100 g mass moves with velocity of 36 km/hr .de-Broglie wavelength associated with it will be of ………order `(h=6.626xx10^(-34)Js)`

Options

A. `10^(-14)`
B. `10^(-34)`
C. `10^(-24)`
D. `10^(-44)`

Answer

B

Explanation

v=36 km/hr
`=(36xx1000)/(3600)(m)/(s)=10(m)/(s)`
de-Broglie wavelength ,
`lambda=(h)/(p)=(h)/(mv)=(6.626xx10^(-34))/(0.1xx10)`
`lambda=6.626xx10^(-34)m`
`therefore 10^(-34)m` order