List of top Physics Questions asked in KEAM

Find the magnification of a lens having focal length 5 cm (Least distance of distinct vision = 25 cm).
Energy dissipated per unit time by a wire of resistance \(2R\) connected to a 2V battery.
A body starts from rest and moves with an acceleration of \(2 \, \text{m/s}^2\) and comes to rest with a retardation of \(2 \, \text{m/s}^2\). Find the distance travelled?
The power dissipated by a particle with constant force and constant acceleration is proportional to the:
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?
Specific heat capacity of diatomic gas at constant volume:
An equiconvex lens of power P is cut perpendicular to its principal axis, into 2 equal parts, power of each part?
Product of uncertainty in position (\(\Delta x\)) and uncertainty in velocity (\(\Delta v\)) has unit:
Express the final answer to the proper number of significant figures: \[ 18.0 + 11.515 + 13.2 = \ldots \]
A body is rotated about a fixed axis. Which of the following is correct about angular velocity?
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?
Arrange the following in the order of conductivity: Na, Ag, Fe, Cu
If the threshold wavelength of a metal is in the green light region, then which of the following radiation cannot cause emission of electrons from metal?
What is the work done to stretch a string?
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.
Moment of inertia of a disc about the axis passing through the center and perpendicular to the plane is \(I_1\). What is the moment of inertia about its diameter?
When a body is dropped from height H, the time taken to reach the ground is T. What is the time taken to reach height H/2 from the ground?
Highest limiting conductance at 298 K is:
Area under \(F\) and \(t\) graph is?
A rod of length 0.5 m moves with a velocity of 3 m/s in a perpendicular magnetic field of strength 2 T. Find the emf induced across its ends.
For an ideal gas of molar mass \( M \), the slope of the graph between the rms speed \( V \) and \( \sqrt{T} \) where \( T \) represents the temperature is...
What is the ratio of de Broglie wavelength of the particles if their kinetic energy are 0.002 eV and 2 eV respectively?
According to Huygen's principle, secondary wavelets move:
What is the ratio of de Broglie wavelength of the particles if their kinetic energy are 0.002 eV and 2 eV respectively?