Question

calculate the wavelength of a ball of mass 100g moving with a velocity of 5 m/s​

Answer 1

Answer

Using De-broglie's equation, given m=100g,v=100m/s

λ=  

mv

h

​  

=  

0.1×100

6.626×10  

−34

 

​  

=6.626×10  

−35

m

Answer 2

Hope it will help you.......