MHT CET questions
29293 published questions with worked solutions.
- At what temperature is the R.M.S. speed of gas molecules half the value at N.T.P.?
- The root mean square velocity of a gas molecule of mass m at a given temperature is proportional to
- The density of a certain mass of a gas at S.T.P. is . If the pressure of the gas is doubled and the temperature is made one-third...
- A vessel contains hydrogen gas which exerts a pressure of 4 atm. If gas is replaced by equal mass of oxygen, the pressure exerted...
- A container has N molecules at absolute temperature T. If the number of molecules is doubled but kinetic energy in box remains...
- The kinetic energy of translation per unit volume of the molecules of hydrogen gas at N.T.P. is (Atmospheric pressure = 10^5...
- How much should the pressure be increased in order to decrease the volume of a gas by 10% at a constant temperature?
- The average K.E. of hydrogen molecules at 27°C is E. The average K.E. at 327°C is
- When the temperature of a gas is raised from 30°C to 90°C, the percentage increase in the R.M.S. velocity of the molecules will be
- The temperature at which the kinetic energy of a gas molecule is doubled to its value at 27°C is
- The molecular weights of hydrogen and helium are respectively 2 and 4. The temperature at which the helium molecules will have...
- The temperature at which the molecules of nitrogen will have the same R.M.S. velocity as the molecules of oxygen at 127°C is
- A container has a mixture of two gases, hydrogen and oxygen at room temperature. Which one of the following statements is true,...
- At what temperature will the mean kinetic energy of O_2 be the same for H_2 molecules at −73°C?
- 294 joule of heat energy is required to raise the temperature of 2 moles of an ideal gas from 30°C to 35°C at constant pressure....
- The molar heat capacity in a process of a diatomic gas, if it does a work of Q 4 when a heat of Q is supplied to it, is
- When an ideal monoatomic gas is heated at constant pressure, the fraction of the heat energy supplied which increases the...
- Work done per mol in isothermal change is
- The specific heat of hydrogen gas at constant pressure is C_p=3.4 10^3 cal/kg °C and at constant volume is C_v=2.4 10^3 cal/kg...
- Which of the following processes is reversible?