Question:
Calculate the momentum of radiations of wavelength 0.33nm
Answer:
Here,
wavelength given is 0.33 nm = 0.33 x 10-9 m
We know that λ = h/p, where λ is the wavelength expressed in metres,
h is the Plancks constant which is = 6.63 x 10-34 m2 kg /s
and p is the momentum.
So, p = h/λ
= 6.63 x 10-34/0.33 x 10-9
That is 2 x 10-24 kg m/s.
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