List of top Physics Questions

Two particles of the same mass have charges in the ratio 3 : 1. What is the ratio of their time periods when they enter a constant magnetic field with the same velocity?
The effective capacitance when $n$ identical capacitors are connected in parallel is 10μF, and when connected in series is 0.4μF. Find the value of $n$.
Find the incorrect pair:
Find the incorrect pair:
The effective capacitance when $n$ identical capacitors are connected in parallel is 10μF, and when connected in series is 0.4μF. Find the value of $n$.
The displacement of a body varies with time $ t $ as $ S = \frac{1}{2} t^2 - 6t $. Find the time at which the velocity becomes zero.
What is the working principle of a Bunsen Burner?
The initial amount of radioactive element in a sample is $ 6 \times 10^3 $. After 48 years, the number of radioactive elements becomes $ 0.75 \times 10^3 $. Find the half-life.
Current in a coil changes at the rate of 10 A/s. The induced emf is 120V. Find the inductance $ L $ of the coil.
When a rectangular coil having length $ l $ and breadth $ b $ are placed perpendicular to the magnetic field. The torque experienced by the coil is:
The ratio of the wavelength of two particles with energy $ E $ and $ 3E $ respectively, is:
The dimensional formula of product of moment of inertia and square of angular velocity is:
The transition of an atom from $ n = \infty $ to $ n = 3 $ represents:
The ratio of distance of the sun from the earth to that of the moon from the earth is in the order:
The ratio of angular velocity of two satellites at a distance $ r $ and $ 2r $ from the centre of the earth is:
The angular velocity of the minute hand and the second hand is?
The wavelength of body radiation having maximum energy is $ \lambda_m $ at temperature $ T $. If the wavelength of radiation corresponds to maximum energy is $ \frac{\lambda}{3} $, then temperature is:
Three identical resistors are connected as triangle ABC. Voltage across AB = 12V. Find the ratio of current through AB to ACB:
If Young's modulus and densities are in the ratio 3:2 and 3:1 respectively, the ratio of velocity of sound is:
4 masses are placed at 4 corners of square ABCD. If one mass is removed from the corner B, then the centre of mass lies in the line joining
If the torque on electric dipole placed with $30^\circ$ to electric field is $ \tau $, then what will be the torque if it is placed $45^\circ$ with electric field?
Velocity of man swimming along the flow of river is 10 km/h and against the flow is 6 km/h. Velocity of man in still water is
Find object distance of concave mirror of $ R = 24 \, \text{cm} $ which gives magnification of 3.
Product of $ P $ and $ V $ of an ideal gas related to translational part of internal energy $ E $ as
Mean free path is inversely proportional to (n = number density, d = diameter of particle)