A cylinder contains 10 kg of gas at a pressure of 107 N/m2 . The quantity taken out of the cylinder if the final pressure is . (temperature of gas is constant) is
A thin copper wire of length increases by 1% when heated from 0oC to 100oC. If a thin copper plate of area 2l x l is heated from 0oC to 100oC, the percentage increase in its area will be :
1 %
2 %
3 %
4 %
The average kinetic energy of a gas molecule at 27o C is 6.21 x 10-21 J. Its average kinetic energy at 227o C will be
For O2 gas
