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11.Dual Nature of Radiation and matter
easy
What is the momentum of a photon having frequency $1.5 \times {10^{13}}Hz$
A
$3.3 \times {10^{ - 29}}kg\;m/s$
B
$3.3 \times {10^{ - 34}}kg\;m/s$
C
$6.6 \times {10^{ - 34}}kg\;m/s$
D
$6.6 \times {10^{ - 30}}kg\;m/s$
Solution
(a) $p = \frac{{h\nu }}{c} = \frac{{6.6 \times {{10}^{ – 34}} \times 1.5 \times {{10}^{13}}}}{{3 \times {{10}^8}}}$
$ = 3.3 \times {10^{ – 29}}kg{\rm{ – }}m/\sec $
Standard 12
Physics
