List of top Physics Questions asked in KEAM

Which of the following is diamagnetic
A cyclotron has frequency f and energy E. If the energy is doubled, frequency becomes
If external force acting on a body is zero, centre of mass of body
In a forward biased semiconductor potential changes from 0.9V to 0.6 V. Find current if resistance is $1\Omega$
A constant current of 3A flows through a conductor having potential difference of 200V. Find heat developed in conductor in 25s.
Potential difference between two points in a region having uniform electric field of $800\text{ N/C}$ is $16\text{V}$. Find the distance between two points.
What is the specific heat capacity at constant volume for non-rigid diatomic gas.
In a Young's double slit experiment with a light having wavelength 500 nm, separation between slit is 0.2 mm, distance between slit and screen is 2m. Find fringe width.
An effective power of a combination of 5 identical convex lens having focal length f= 20 cm is
The work function for a metal having threshold frequency $5\times 10^7\text{ Hz}$ is?
A body of mass 'm' is acted upon by two perpendicular forces 4N and 3N. Find mass 'm' if acceleration of a body is $2\text{ m/s}^2$
A ball falls from a height of 20 m, and then bounces back up to 17 m height. The loss of energy is
If orbital radius of geostationary satellite decreases, gravitational potential energy
If fundamental frequency of an open pipe is 200 Hz, then find the fundamental frequency if one end is closed.
Which of the following is incorrect
The resistors $R_1 = 3\Omega$ and $R_2 = 1\Omega$ are connected in parallel to a 20 V battery. Find the heat developed in the resistor $R_1$ in one minute.
When a magnetic field is applied on a stationary electron, it
When the displacement of a particle executing simple harmonic motion is half its amplitude, the ratio of its kinetic energy to potential energy is:
The pressure on an object of bulk modulus $B$ undergoing hydraulic compression due to a stress exerted by surrounding fluid having volume strain $\frac{\Delta V}{V}$ is:
For most of the materials, Young’s modulus (Y) and rigidity modulus (G) are related as
The time period of an earth’s satellite revolving at a height of 35,800 km is
The acceleration of a moving body is found from the:
Three bulbs of power 10 W, 25 W, and 50 W are connected parallel across a voltage source \( V \). What is the effective power of the combination?
The dimension of mutual inductance is (Denote dimension of current as A)
Find the velocity of wave given by \( y = 0.05 \sin \left( \frac{2\pi}{\lambda} (x - 200t) \right) \).