List of top Physics Questions asked in KEAM

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 Young's modulus and densities are in the ratio 3:2 and 3:1 respectively, the ratio of velocity of sound 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:
Rectangular loop of side $a$ and carrying current $I$ is placed perpendicular to magnetic field. What will be the magnetic moment?
The transition of an atom from $ n = \infty $ to $ n = 3 $ represents:
Find object distance of concave mirror of $ R = 24 \, \text{cm} $ which gives magnification of 3.
If maximum height and range are equal in projectile motion, then $ \tan \theta = ... $:
Mean free path is inversely proportional to (n = number density, d = diameter of particle)
The ratio of distance of the sun from the earth to that of the moon from the earth is in the order:
Three identical resistors are connected as triangle ABC. Voltage across AB = 12V. Find the ratio of current through AB to ACB:
The ratio of the velocity of light in a vacuum to that in a medium is?
The velocity of light through a medium of relative permittivity 2 and relative permeability 4.5 is (in terms of $ c $):
Chromatic aberration arises in their lens due to:
1 torr = ________
If the angular displacement in 10 seconds is $ 150^\circ $, find the number of revolutions in 10 seconds.
Bernoulli's principle is applicable to:
What is the force to be applied on a body of mass 200g to change its velocity by 25 m/s in 5 seconds?
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 $n$.
A body hanged by a rope in a lift which is moving upward with a constant acceleration of $ 0.2 \, \text{m/s}^2 $. The tension in the rope is 80 N. Find the mass of the body.
If $ P_0 $ is the atmospheric pressure and $ P $ is the pressure at a depth $ h $, find the Guage pressure.
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.
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.
The orbital velocity of a satellite is $ V_0 $, at a height $ h = R $ (where $ R $ is the radius of the Earth) from the surface of the Earth. What is the relationship between $ V_0 $ and the escape velocity $ V_e $?
A pn junction diode without bias acts as:
If $ F = 6\pi \eta x $, find the dimension of $ x $.