Physics question and answers for August 26, 2024
- Q SPECIFIC HEAT CAPACITIES OF GASES When an ideal diatomic gas is heated at constant pressure the fraction of the heat energy supplied which increases internal energy of the gas is...
- Q orrect 2 i ii correct 3 i iii correct The adiabatic bulk modulus of hydrogen gas y 1 4 at NTP is 1 1 x 105 N m 2 1...
- Q 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 only...
- Q N 26 81 In the above problem to be changed by 1 increase by 20 K 3 increase by 20 C 2 53 36 in order to increase the efficiency...
- Q Section A Previous Year Questions AIP sip Two containers of equal volume contain the same gas at pressure p and p and absolute temperature T and T repectively On joining...
- Q Ksenia is standing 15 m east of Ella Ksenia fires a paper airplane at 2 m s directly at Ella If Ella immediately scrambles away North at 4 m s...
- Q libih 4 0 5 H A solenoid wound over a rectangular frame If all the linear dimensions of the frame are increased by a facto 3 and the number of...
- Q 1 kinetic energy The average momentum 1 temperature 2 momentum 3 density of a molecule in a sample of an ideal gas depends on 2 number of moles 3 volume...
- Q The de Broglie wavelength of an electron moving with a velocity 1 5 x 108 ms is equal to that of a photon The ratic of the kinetic energy of...
- Q For the structural analysis of crystals X rays are used because 1 X rays have wavelength of the order of the inter atomic spacing 2 X rays are highly penetrating...
- Q Two sample A and B are initially kept in the same state The sample A is expanded through an adiabatic process and the sample B through an isothermal process upto...
- Q 3 v Vms 4 rms The rms speed of oxygen molecules in a gas is v If the temperature is doubled and the O molecule dissociate into oxygen atoms the...
- Q When a spring is subjected to 4N force its length is a metre and if 5N is applied length is b metre If 9N is applied its length is A...
- Q A solid cylinder of mass M and radius R rolls without 1 slipping down an inclined plane of length L and height h What is the speed of its centre...
- Q A solenoid wound over a rectangular frame If all the linear dimensions of the frame are increased by a facto libih 4 0 5 H 3 and the number of...
- Q 3 T T 4 any of the three is possibl Suppose a container is evacuated to leave just one molecule of a gas in it Let v and the rms...
- Q When a monochromatic source of light is at a distance of 0 2 m from a photoelectric cell the cut off voltage saturation current are respectively 0 6 V and...
- Q 0 Two spheres of radii R and R respectively are charged and joined by a wire The ratio of electric field of spheres is R 2 1 R2 R 3...
- Q For a solid with a small expansion coefficient 1 C C R P S 3 C is slightly greater than C P 2 C C R 4 C is slightly...
- Q gas 1 In process AB work done by system is positive 2 In process AB heat is rejected out of the system 3 In process AB internal energy increases P...
- Q 9 Two insulated charged conducting spheres of radii 20 cm and 15 cm respectively and having equal charge of 10 C are connected by a copper wire and then they...
- Q Rohini satellite is at a height of 500 km and Insat B is at a height of 3600 km from surface of earth then relation between their orbital velocity VR...
- Q Suppose we have a small rocket with a full 120 liter fuel tank Fuel with a mass density of 1 kg liter is burned at a steady rate of 2...
- Q A very long wire ABDMNDC is shown in figure carrying current i AB and BC parts are straight long and at right angle At D wire forms a circular turn...
- Q To generate a power of 3 2 mega watt the number of fission of U235 per minute is Energy released per fission 200 MeV I eV 1 6 x 10...
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