what will be the wavelength of a ball of mass 0.1 kg moving with a velocity of `10 m s^(-1)` ?

Explanation

According to de-Broglie equation
`lambda = (h)/(mv) = (6.626 xx 10^(-34)Js)/((0.1kg)(10ms^(-1))) = 6.626 xx 10^(-34) m(J = kgm^(2)s^(-2))`