1.

As per de Broglie's formula a macroscopic patiicle of mass 100 g and moving at a velocity of 100 cm s^(-1) will have a wavelength of

Answer»

`6.6xx10^(-29)cm`
`6.6xx10^(-30)cm`
`6.6xx10^(-31)cm`
`6.6xx10^(-32)cm`

Solution :Mass (m) = 100 G, velocity (v) =100 cm `s^(-1)`
According to de Broglie.s equation,
`lamda=h/(mv)`
`lamda=(6.626xx10^(-27))/(100xx100)=6.6xx10^(-31)` cm


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