JEE Mains Model Paper 8

For 2 different gases at different temperatures, the relation for rms velocity is

C1

C2

= √

T1

T2

×

M1

M2

. Then if rms velocity of 32 grams of O2 at 27°C and 3 atm pressure is 10 mt/s and kinetic energy is900 cal. At 27° and 6 atm pressure kinetic energy of 2 grams of H2 is x × 100 cal. Value of 'x' is