List of top Physics Questions asked in KEAM

In v-t graph, if graph cuts time axis what does it indicate?
If a conductor of length 1 m carrying a current of 2 A is placed in a field of 0.2 T. What will be the force acting on it?
Find new resistivity when radius doubles and length reduces by half of its original resistivity is $\rho$.
Capacitance of an air filled parallel plate capacitor is C. Find capacitance when a dielectric of dielectric constant K is field in it.
When an iron ball is moving through a fluid, its terminal velocity is proportional to
If m and 2m are two masses separated by a distance of 1 m are attracted by gravitational force. Then the acceleration of their centre of mass is?
A particle is subjected to a force F = 3x$^2$. Calculate the work done in moving with particle from x=0 to x = 2 m.
When a ball of mass 2.2 kg collides with a wall with a speed of 10 m/s and rebounds with a speed of 8 m/s. Find impulse.
A nucleus has a mass number of 56 and a binding energy per nucleon of 8.8 MeV, the total B.E is?
The position of a particle is given by x = at + bt$^{3/2$ where a and b are constants and t is the time. Then dimension of $\frac{b}{a}$ is?}
For pure semiconductor
If a magnet is cut into equal halves perpendicularly. What happens to magnetic moment?
In vertical circular motion, what is the minimum velocity at the lowest point?
Two cars A and B are starts moving from rest. Car A travels at a constant velocity of 20 m/s and car B moving with a constant acceleration of 4 m/s$^2$. After how much time B will overtake A?
An object is placed at a distance of 30 cm from a convex lens of focal length 100 cm when it moves 5 cm towards the lens how much is the image being shifted?
The maximum and minimum distances of a planet from sun are $r_1$ and $r_2$ respectively. If minimum velocity is $V_1$ and minimum velocity is $V_2$, then the ration $V_1 : V_2$ is:
A block of mass 2kg slides on a rough horizontal surface ($\mu_k = 0.2$) with initial speed 10m/ s. Find the stopping distance
A solenoid has 1000 turns per meter and carries a current of \( \frac{7}{\pi} \) A. The magnetic field inside the solenoid is
In ac circuit containing an ac source of frequency f, the capacitance is proportional to
Area under velocity- time graph of a particle is equal to
In Bohr's theory of hydrogen atom if speed of an electron in the first orbit is v, then the speed in 3rd orbit is
If kinetic energy of one mole of monatomic gas is 24.4J, then temperature is(R = 8.314)
The direction of electric field at a point just outside a positively charged spherical conductor is
If T is the time period of satellite in an orbit of radius r, then the time period in an orbit of radius 3r is:
If resistance of a conductor at $20^\circ$C is $10\Omega$, then the resistance at $80^\circ$C is $[\alpha = 4 \times 10^{-3} \ ^\circ\text{c}^{-1}]$