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12.Kinetic Theory of Gases
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$300K$ તાપમાને $O_2$ ની ગતિઊર્જા $6.21 \times {10^{ - 21}}\,J$ અને $ rms$ ઝડપ $ 484 \,m/s$ હોય,તો $600\, K$ તાપમાને ગતિઊર્જા અને $rms$ ઝડપ
A
$12.42 \times {10^{ - 21}}\,J,\,968m/s$
B
$8.78 \times {10^{ - 21}}\,J,\,684m/s$
C
$6.21 \times {10^{ - 21}}\,J,\,968m/s$
D
$12.42 \times {10^{ - 21}}\,J,\,684m/s$
Solution
$E \propto T$ , ${v_{rms}} \propto \sqrt T$ $K=2 × 6.21 × 10^{-21} = 12.42 ×10^{-21} J \,\,$
$T=484 \times \sqrt 2 = 684\,m/s$.
Standard 11
Physics
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