The de Broglie wavelength of a tennis ball of mass 60 g moving with a velocity of 10 metres per second is approximately

Q. The de Broglie wavelength of a tennis ball of mass 60 g moving with a velocity of 10 metres per second is approximately (Planck’s constant h = 6.63 × 10–34 Js]

A.            10–33 metre

B.            10–31 metre

C.            10–16 metre

D.            10–25 metre

Answer: 10–33 metre