List of top Physics Questions

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
In parallel combination of condensers, which quantity remains same for each condenser?
The specific charge of an electron 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
The speed of an electron accelerated from rest under a potential difference \( V \) 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
In a step-up transformer, the value of current in secondary coil compared to the primary coil 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.
Unit of \( \frac{{\mu_0}}{{\epsilon_0}} \) is.
When an ammeter is shunted then its measurement limit
At neutral points
The peak value of an alternating current is 10 A. Its root mean square value will be?
Dimensional formula of permeability is.
If the number of turns is increased in any moving coil galvanometer, then its sensitivity
Kilowatt-hour (kWh) is the unit of
Which of the following laws is based on the principle of energy conservation?
The electric field on the outer surface of a charged conductor is
If a conductor is placed in an external electric field, the field inside the conductor will be?
Gauss’s law states that the electric flux through a closed surface is
Which of the following statements is true for two point charges of opposite sign?
The capacity of any condenser does not depend upon
Which one of the following is the unit of capacity?