List of top Physics Questions asked in Bihar Board Class XII

Van de Graaff generator is an electrostatic machine which produces
S.I. unit of permittivity is
If T is time period and V is maximum speed of a charged particle in cyclotron, then
The temperature coefficient of a semi-conductor is
In visible spectrum, which colour has larger wavelength ?
Which one of the following electromagnetic radiations has minimum wavelength ?
The binary equivalent of 25 is
The nucleus of any atom is made up of
The phase-difference between current and voltage in only capacitive alternating current circuit is
When current in a coil changes from 5A to 2A in 0.1s then average voltage of 50V is produced. The self-inductance of the coil is
In photoelectric effect, the photoelectric current is independent of
The concept of secondary wavelets was given by