List of top Physics Questions asked in KEAM

Find the magnetic field inside a solenoid having number of turns 7000, length 1m, and current 1 A.
What is the speed of water flowing through a hole located at a depth \(h\) from the surface of water in a tank?
Three forces are acting on a particle in which \( F_1 \) and \( F_2 \) are perpendicular. If \( F_1 \) is removed, find the acceleration of the particle.
Forces acting on 2 bodies of masses 2kg and 3kg are same. What is the ratio of their acceleration?
Find the magnification of a lens having focal length 5 cm (Least distance of distinct vision = 25 cm).
A ball of mass 10g is dropped from a height of 50m. If 30J energy is lost due to air resistance, then what is the velocity of the ball when it hits the ground?
If a bar magnet is doped into a circular ring placed horizontally, then what change will happen?
Band gap energy of Si is:
Acceleration of the freely falling metal rod in a cycling ring?
Which of the following is incorrect?
Young's modulus and shear modulus are applicable for:
Express the final answer to the proper number of significant figures: \[ 18.0 + 11.515 + 13.2 = \ldots \]
What is the work done to stretch a string?
What is the ratio of gyration of ring and disc?
When blue light is incident on metal surface, photoelectrons are emitted. When green light is incident, no photoelectrons are emitted. What is the number of photoelectrons emitted when yellow light is incident?
The dimension of \( \lambda \times t \) (decay constant \(\lambda\) multiplied by time \(t\)) is:
If fringe width obtained in a YDSE is 1.3mm. If the whole system is dipped in a liquid of refractive index 1.3, then the new fringe width will be:
Highest limiting conductance at 298 K is:
What is the angle between the current and the magnetic field if a conductor carrying 2A current placed in a magnetic field of 4T experiences a force of 10N?
Monochromatic light passing through a prism doesn't produce:
The force between two point charges separated by a distance \(d\) is \(F\). If one charge is moved away by a distance \(d\), then the new force is:
Vibration of atoms and molecules produce electromagnetic radiation in the region of:
Find the pressure on an air bubble of radius \( r \) at a height \( h \) from the surface of the water.
The ratio of frequency of the 3rd mode of vibration for the closed organ pipe and the open pipe of length \( L \)?
If \(T\) and \(n\) are surface tension and coefficient of viscosity, if temperature increases, then: