List of top Physics Questions asked in KEAM

For smaller deformations, stress is directly proportional to the strain for any material. Then the constant of proportionality is called as its
Which one of the following principles helps to explain the flow of blood in an artery?
Angular momentum of a particle will not be zero, if the
A hockey player hits a ball with an impulse of 15 Ns. If time of hit is 0.2 s, the average force exerted by the player on the ball is
Three particles of equal mass lie at distances of 1 cm, 2 cm, and 3 cm from the origin. The distance of their center of mass from the origin is
If the position of the particle as a function of time \( t \) is \( \vec{r} = 8t \hat{i} + 3t^2 \hat{j} + 3 \hat{k} \, \text{m} \), then the acceleration of the particle is (in \( \text{m/s}^2 \))
A bullet of 10 g mass is fired at a speed of 50 m/s by a gun of 2 kg mass. The recoil speed of the gun (in m/s) is
Energy equivalent of mass 0.5 kg is
The work done to lift a 60 kg mass to a height of 5 m from the ground is (g = 10 m/s\(^2\))
The force acting on the particle of 0.2 kg mass whose displacement is described by the equation \( x = 3t + 7t^2 \, \text{m} \)
The dimensions of \( \frac{B}{E} \) are (B: Magnetic induction, E: Electric field intensity)
If force is 500 N and instantaneous velocity is 20 m/s, what is the instantaneous power?
Forces acting on 2 bodies of masses 2kg and 3kg are same. What is the ratio of their acceleration?
The acceleration of a particle varies with time as \( a = 6t \). What is the displacement and velocity of the particle at \( t = 4s \)?
Water flows through a pipe with velocity \( V_1 = 3 \, \text{m/s} \) where the area of the pipe is \( A_1 \). What is the velocity \( V_2 \), where the diameter of the pipe is half of that at area \( A_1 \)?

Which of the following statement is correct? 
- i) Positive temperature coefficient 
- ii) Charge carrier in semiconductor are ions and electrons

The velocity of light through a medium of relative permittivity 2 and relative permeability 4.5 is (in terms of $ c $):
Which of the following is mismatched pair?
According to Huygen's principle, secondary wavelets move:
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...
The tennis ball of mass 120 g moving with a velocity of 20 m/s towards gets by a rocket of velocity and the final speed becomes 30 m/s with direction reversed. If the time of contact is 0.01 s, what is the average force acting on the ball?
Relation between Azimuthal quantum number and magnetic quantum number
What is the dimension of \[ \frac{M B}{K T} \] where \( M \) represents magnetic moment, \( K \) represents the Boltzmann constant, \( B \) represents the magnetic field, and \( T \) represents temperature?
The position of body varies as \[ S = 9t^2 - 6t. \text{ What is the time at which the body becomes at rest?} \]
What is the ratio of de Broglie wavelength of the particles if their kinetic energy are 0.002 eV and 2 eV respectively?