Questions
A photon of wavelength 4400 is passing through vacuum. The effective mass and momentum of the photon are respectively
a
5×10−36kg, 1.5×10−27kg−m/s
b
5×10−35kg, 1.5×10−26kg−m/s
c
Zero,1.5×10−26kg−m/s
d
5×10−36kg, 1.67×10−43kg−m/s
detailed solution
Correct option is A
p=hλ=6.6×10−344400×10−10=1.5×10−27kg.m/sand mass m=Pc=1.5×10−273×108=5×10−36kgTalk to our academic expert!
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