List of top Physics Questions

In polarised light the angle between plane of vibration and plane of polarization is
Which of the following is not an electromagnetic wave?
In the phenomenon of photoelectric emission, on increasing the intensity of incident light, the photoelectric current
On inserting a dielectric material between two positive charges in air, the value of repulsive force will
The speed of an electron accelerated from rest under a potential difference \( V \) is
Two light waves of equal amplitude and equal wavelengths are superimposed. The amplitude of the resultant wave will be maximum when phase difference between them is
In parallel combination of condensers, which quantity remains same for each condenser?
The distance between two equal and opposite charges of \( 0.2 \mu C \) will be 3.0 cm. Their electric dipole moment will be
Inside a closed surface, n electric dipoles are situated. The electric flux coming out from the closed surface will be
The specific charge of an electron is
In resonance condition, the frequency of L-C circuit is
In an a.c. circuit containing only capacitor, the phase difference between current and voltage is
In a purely inductive circuit, the power factor is
Image formed by convex mirror is always
If the critical angle for total internal reflection from any medium to vacuum is 30°, then the velocity of light in the medium is.
The distance between two charges is made half and one of the charges is also halved. The force acting between the two will become as compared to previous value.
In a step-up transformer, the value of current in secondary coil compared to the primary coil is
When an ammeter is shunted then its measurement limit
Dimensional formula of permeability is.
If the number of turns is increased in any moving coil galvanometer, then its sensitivity
Unit of \( \frac{{\mu_0}}{{\epsilon_0}} \) is.
At neutral points
The peak value of an alternating current is 10 A. Its root mean square value will be?
The capacity of any condenser does not depend upon
If a conductor is placed in an external electric field, the field inside the conductor will be?