List of top Physics Questions asked in KEAM

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
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
When a magnetic field is applied on a stationary electron, it
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
The dimension of mutual inductance is (Denote dimension of current as A)
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
The distance between two charges \( q_1 = +2 \, \mu C \) and \( q_2 = +8 \, \mu C \) is 15 cm. Calculate the distance from the charge \( q_1 \) to the points on the line segment joining the two charges where the electric field is zero.
Which of the following statement is incorrect about Bohr's model of atom?
Two masses connected in series with two massless strings are hanging from a support as shown in the figure. Find the tension in the upper string.
The magnetic force acting on a charged particle carrying a charge of \( 3 \, \mu C \) in a magnetic field of 5 T acting in the \( y \)-direction, when the particle velocity is \( ( \hat{i} + \hat{j} ) \times 10^5 \, \text{ms}^{-1} \), is:
A galvanometer of resistance 100 \(\Omega\) gives a full scale deflection for a current of 1 mA through it. The resistance required to convert it into a voltmeter which can read up to 2 V is:
Three point charges \(4q\), \(Q\), and \(q\) are placed in a straight line of length \(L\) at points 0, \(L/2\), and \(L\) respectively. The net force on charge \(q\) is zero. The value of \(Q\) is:
The electric field inside a uniformly charged spherical shell of radius \( R \) is: