Vignesh vijayakumar
Last Activity: 7 Years ago
De broglie equation is , λ=h/mv(h=plank constant)This is obtained by equating E=mv^2 and E=hf=h/λ(v=velocity,f=frequency)Substituting the values in equation,λ=(6.626×10^-34)÷(0.1×30)=2.21×10^-34So de broglie wave length of ball is appx. 2.21×10^-34