List of top Physics Questions asked in KEAM

The transition of an atom from $ n = \infty $ to $ n = 3 $ represents:
The ratio of the wavelength of two particles with energy $ E $ and $ 3E $ respectively, is:
The ratio of distance of the sun from the earth to that of the moon from the earth is in the order:
The dimensional formula of product of moment of inertia and square of angular velocity is:
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 angular velocity of the minute hand and the second hand is?
Three identical resistors are connected as triangle ABC. Voltage across AB = 12V. Find the ratio of current through AB to ACB:
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:
If Young's modulus and densities are in the ratio 3:2 and 3:1 respectively, the ratio of velocity of sound is:
Find object distance of concave mirror of $ R = 24 \, \text{cm} $ which gives magnification of 3.
Mean free path is inversely proportional to (n = number density, d = diameter of particle)
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
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?
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
Product of $ P $ and $ V $ of an ideal gas related to translational part of internal energy $ E $ as
Moment of inertia of solid sphere having mass M and radius R about an axis passing through diameter is I. Moment of inertia of sphere of mass 2M and radius 2R is:
The ratio of the velocity of light in a vacuum to that in a medium is?
Rectangular loop of side $a$ and carrying current $I$ is placed perpendicular to magnetic field. What will be the magnetic moment?
A cylindrical vessel contains 16 kg at 1 atm. A certain amount of substance is taken out so that pressure becomes 0.7 atm. Find the amount taken out (in kg).
Express the final answer to the proper number of significant figures: \[ 18.0 + 11.515 + 13.2 = \ldots \]
3 capacitors of capacitance \( 12 \mu \text{F} \) each is connected in series. If the voltage is 12V, what charge is drawn from the cell?
A planet revolves around the sun with a time period 27 times that of planet B. Planet A is at \( x \) times the distance of planet B from the sun. Find the value of \( x \).
If \( B = 400\sqrt{2} \sin(\omega t - kx) \), find the peak value of the magnetic field of the electromagnetic wave.
The dimension of \( \lambda \times t \) (decay constant \(\lambda\) multiplied by time \(t\)) is:
The power dissipated by a particle with constant force and constant acceleration is proportional to the: