In an adiabatic expansion of the air the volume is increased by `4%` what is pereentage change in pressure ? (For air y = 1.4)

A diatomic ideal gas is used in a carnot engine as the working substance. If during the adiabatic expansion part of the cycle, the volume of the gas increases from V to 32 V, the efficiency of the engine is ……………… .

In an adiabatic process on a gas with (gamma = 1.4) th pressure is increased by 0.5% . The volume decreases by about

A student comes to school by a bicycle whose tire is filled with air at a pressure 240 kPa at 27^(@) C. She travels 8 km to reach the school and the temperature of the bicycle tire increases to 39^(@) C. What is the change in pressure in the tire when the student reaches school?

The fractional change in volume per unit increase in pressure is called …………. .

Velocity of sound in a gaseous medium is 330 ms^(-1) . If the pressure is increased by 4 times without causing a change in the temperature, the velocity of sound in the gas is ____