List of top Physics Questions asked in KEAM

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 \( y = 0.05 \sin \left( \frac{2\pi}{\lambda} (x - 200t) \right) \).
An object having a velocity of 5 m/s is accelerated at the rate 2 m/s\(^2\) for 6s. Find the distance travelled during the period of acceleration.
The resistor \( R_1 = 30 \, \Omega \) and \( R_2 = 10 \, \Omega \) are connected in parallel to a 20 V battery. Find the heat developed in the resistor \( R_1 \) in one minute
If power = 150 kW, torque = 100 Nm, find the angular velocity \(\omega\).
The quantity which has the same dimensions as that of gravitational potential is
A vehicle moving at 36 km/hr is to be stopped by applying brakes in the next 5 m. If the vehicle weighs 2000 kg, determine the average force that must be applied on it.
The velocity and acceleration of a particle performing simple harmonic motion have a steady phase relationship. The acceleration shows a phase lead over the velocity in radians of
A particle of mass m and charge q with an initial velocity v is subjected to a uniform magnetic field B along the vertical direction. The particle will
When a magnetic field is applied on a stationary electron, it
Consider a convex lens made of material of refractive index \( n = \frac{3}{2} \) and radius of curvature \( R \). What is the relation between focal length and radius?
A pure inductor of inductance \( 0.1 \, \text{H} \) is connected to an AC source (of rms voltage 220 V and angular frequency 300 Hz). The rms current is