A body of mass m is orbiting the earth at a radius r from the center of earth
A body of mass m is orbiting the earth at a radius r from the center of earth. Another body…
7 years ago
Physics
The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum
The magnetic susceptibility of a material of a rod is 449. Permeability of vaccum is 4 π x 10⁻⁷ henry/m.…
7 years ago
The r.m.s speed of the molecules of a gas in a vessel is 400 m/s
The r.m.s speed of the molecules of a gas in a vessel is 400 m/s. If half of the gas…
7 years ago
The de-Broglie wavelength of an electron having 80 eV of energy is nearly
The de-Broglie wavelength of an electron having 80 eV of energy is nearly(Given 1 ev= 1.6 x 10⁻¹⁹ kg, Mass…
7 years ago
Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept
Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept at 50° C and 60° C. Amount…
7 years ago
Two pendulums A and B are oscillating simultaneously with time period
Two pendulums A and B are oscillating simultaneously with time period T and 5T/4 respectively. What is the phase difference…
7 years ago
A particle under the action of a constant force moves from rest upto 20 seconds
A particle under the action of a constant force moves from rest upto 20 seconds. If distance covered in first…
7 years ago
A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N
A body of mass 2 kg is kept by pressing to a vertical wall by a force of 100 N.…
7 years ago
A current is flowing through resistance. A potential difference of 120 V
A current is flowing through resistance. A potential difference of 120 V is applied across resistance. Power dissipated in resistance…
7 years ago
The time period of bar magnet is doubled when magnetic field is reduced
The time period of bar magnet is doubled when magnetic field is reduced by same amount. If initial magnetic field…
7 years ago