Question

calculate the de broglie wavelength for a ball of 200g mass moving with a velocity s
3×10power 10 cm sec power _1 and an electron moving with the sane velocity
​

Answer 1

Explanation:

According to de Broglie's equation

λ=

mv

h

where, λ= de-Broglie wavelength

h=6.626×10

−34

Js=Planck's constant

m=mass of object=200 g= 0.2 kg and v= velocity=5m/h=5/3600 m/s

upon substitution we get:

λ=

0.2×5

6.626×10

−34

×3600

λ=2.385×10

−30

m