Physics question and answers for February 28, 2024
- Q 6 VITA Consider the following PV diagram for a monoatomic gas The ratio of work done by the gas to the change in internal energy of the gas will be...
- Q Q 17 If at same temperature and pressure the densities for two diatomic gases are respectively d and d2 then the ratio of velocities of sound in these gases will...
- Q Temperature versus pressure graph of an ideal gas is shown in the figure If density of gas at point P is p then density of gas at point Q will...
- Q At what temperature the root mean square speed of molecules of a gas is twice of its root mean square speed at 27 C 527 C 427 C 1127 C...
- Q 6 Three closed vessels A B and C are at the same temperature T and contain gases which obey the Maxwellian distribution of velocities Vessel A contains only O B...
- Q Question No 13 At what temperature the root mean square speed of molecules of a gas is twice of its root mean square speed at 27 C O 527 C...
- Q 17 A light container having a diatomic gas enclosed within is moving with velocity v Mass of the gas is M and number of moles is n The kinetic energy...
- Q 42 The ratio of de Broglie wavelength of molecules of hydrogen and helium gas moving at rms speed in two gas jars kept separately at temperature 27 C and 127...
- Q The rms speed of hydrogen molecules at a certain temperature is 300m s If the temperature is doubled and hydrogen gas dissociates into atomic hydrogen the rms speed will become...
- Q 14 A diatomic ideal gas is heated at constant volume until the pressure is doubled and again heated at constant pressure until the volume is doubled The average molar heat...
- Q An ideal gas with pressure P volume V and temperature T is expanded isothermally to a volume 2V and a final pressure P The same gas is expanded adiabatically to...
- Q A gas mixture consist of 3 0 mole of hydrogen and 2 0 mole of Helium at absolute temperature T Considering all vibrational modes assume zerc internal energy at T...
- Q 2 Figure shows the variation in internal energy U of 3 moles of Hydrogen gas with volume The work done by gas from state A to B is UA 2U...
- Q When an air bubble rises from the bottom of a deep lake to a point just below the wate surface the pressure of air inside the bubble A is greater...
- Q Q14 Carbon dioxide contained in a piston cylinder device is compressed from 0 3 to 0 1 m3 During the process the pressure and volume are related by P aV...
- Q Internal energy of n moles of hydrogen at temperature Tis equal to the internal energy of n moles of helium at n temperature 2 T The value of ratio n...
- Q 122 REE OF FREEDOM MONOATOMIC DI POLYATOMIC GASES A gas mixture consists of 2 moles of O and 4 mo of Ar at temperature T Neglecting all vibratio modes the...
- Q Consider the following two statements Statement A The average kinetic energy per degree of freedom per molecule at a given temperature increases as degrees of freedom increase Statement B The...
- Q 35 In equilibrium the velocity of molecules of a gas depends on its temperature as 3 u x T 4 u cc T0 1 u x T 2 u xc...
- Q B Current through the inductor L C Potential difference across resistance R D Current through the resistance R During an experiment an ideal gas is found to obey a condition...
- Q 14 Consider the two insulating sheets with thermal resistance R and R as shown in figure The temperature 0 is a b 0102R1R2 0 02 R R c 01R 02R2...
- Q 80 Two identical vessels A and B contain masses m and 2m of same gas The gases in the vessels are heated keeping their volumes constant and equal The temperature...
- Q Q 31 A gas occupies a volume of 0 1 m at a temperature of 20 C and a pressure of 1 5 bar Find the final temperature of the...
- Q If one mole of the polyatomic gas is having two vibrational modes and is the ratio of molar specific heats for polyatomic gas p then the value of B is...
- Q occupies a volume of 0 1 m at a temperature of 20 C and a pressure of 1 5 bar Find the final temperature of the gas if it is...
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