Question

A photon of wavelength 6630 A is incident on a totally reflecting surface. The momentum delivered
by the photon is eqaul to :
(1)
(2)
6.63 x 10-27
kg-m/sec
2 x 10-27
kg-m/sec
1 x 10-27 kg-m/sec
2 x 10-26 kg-m/sec
(3)
(4)
O 1)
O2)
O 3)
04)​

Answer 1

Answer:

Explanation:

wavelength = h / m v

∴ m v = h/wavelength     (h = 6.6×10^-34 JS)

          = 6.63×10^-34 / 6630× 10^-10

          = 1×10^-27 kg m /s