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If temperature of gas increases from 27°C to 927°C, the kinetic energy will be
Options
(a) double (b) half the initial value (c) one fourth
(d) four times
Correct Answer:
four times
Explanation:
T₁ = 27⁰C =300K T₂ =927⁰C =1200K V(rms)( root mean square velocity )= √3RT/M KE₁ = 2/1×m×V² rms KE₂= 2/1×m× 3R×1200/m
=4KE₁ .
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