Mass of the satellite
Mass of the planet
Radius of orbit of satellite
All of the above
The antiparticle of an electron is
The apparatus used to measure the intensity of light is known as
The apparent weight of a man in a lift is less the real weight when
The atmosphere is heated mainly by
The atmospheric air is held to the Earth by :
The atmospheric pressure at sea level is ........ atm.
The atomic spectra of hydrogen are explained by
The audible range of sound for an average adult human being is _.
The audio signals of TV are
The average power (in watts) used by a 20 to 25 inch home color television is?