Question

Calculate the uncertainty in the velocity of a cricket ball of mass 130 g, if the

uncertainty in its position is of the order of 1.2 A

0

.​

Answer 1

Answer:

m=150×10

−3

kgΔx=10

−10

A

0

h=planck's constant

Using Heisenburg Uncertainity Principle

Δx.mΔv≥

4π

h

Δv=

4πmΔx

h

Δv=

4×3.14×10

−10

×0.15

6.626×10

−34

=3.5×10

−24

ms

−1