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11.Dual Nature of Radiation and matter
medium
$4400\ \mathring A $ તરંગલંબાઈવાળો ફોટોન શૂન્યાવકાશમાંથી પસાર થાય છે ત્યારે તેનું અસરકારક દળ અને વેગમાન અનુક્રમે ............ છે.
A$5 \times 10^{-36} kg, 1.5 \times 10^{-27} kg\ m/s$
B$5 \times 10^{-36} kg, 1.5 \times 10^{-26} kg\ m/s$
Cશૂન્ય, $1.5 \times 10^{-26} kg\ m/s$
D$5 \times 10^{-36} kg, 1.67 \times 10^{-43} kg\ m/s$
Solution
ફોટોનનું વેગમાન
$p\,\, = \,\,\frac{h}{\lambda }\,\, = \,\,\frac{{6.6\,\, \times \,\,{{10}^{ – 34}}}}{{4400\,\, \times \,\,{{10}^{ – 10}}}}\,\,\,\,\,\therefore \,\,p\,\, = \,\,1.5\,\, \times \,\,{10^{ – 27}}\,kg\,m/\,s$
ફોટોન નું અશરકરકા દાળ ${\text{,}}\,\,{\text{m}}\,\, = \,\,\,\frac{{\text{p}}}{{\text{c}}}\,\, = \,\,\frac{{1.5\,\, \times \,\,{{10}^{ – 27}}}}{{3\,\, \times \,\,{{10}^8}}}\,\,\, = \,\,\,5\,\, \times \,\,{10^{ – 36}}\,kg$
$p\,\, = \,\,\frac{h}{\lambda }\,\, = \,\,\frac{{6.6\,\, \times \,\,{{10}^{ – 34}}}}{{4400\,\, \times \,\,{{10}^{ – 10}}}}\,\,\,\,\,\therefore \,\,p\,\, = \,\,1.5\,\, \times \,\,{10^{ – 27}}\,kg\,m/\,s$
ફોટોન નું અશરકરકા દાળ ${\text{,}}\,\,{\text{m}}\,\, = \,\,\,\frac{{\text{p}}}{{\text{c}}}\,\, = \,\,\frac{{1.5\,\, \times \,\,{{10}^{ – 27}}}}{{3\,\, \times \,\,{{10}^8}}}\,\,\, = \,\,\,5\,\, \times \,\,{10^{ – 36}}\,kg$
Standard 12
Physics
