List of top Physics Questions asked in BITSAT

The straight wire AB carries a current $I$. The ends of the wire subtend angles $\theta_1$ and $\theta_2$ at the point $P$ as shown in the figure. The magnetic field at the point $P$ is:

In the given circuit, $E_1 = E_2 = E_3 = 2V$ and $R_1 = R_2 = 4\Omega$, then the current flowing through the branch AB is:

Inside a solenoid of radius $ 0.5 $ m, the magnetic field is changing at a rate of $ 50 \times 10^{-6} $ T/s. The acceleration of an electron placed at a distance of $ 0.3 $ m from the axis of the solenoid will be:

A simple pendulum doing small oscillations at a place $ R $ height above the Earth's surface has a time period of $ T_1 = 4 \, {s} $. $ T_2 $ would be its time period if it is brought to a point which is at a height $ 2R $ from the Earth's surface. Choose the correct relation [$ R $ = radius of Earth]:

The dimensional formula of latent heat is:

You measure two quantities as $ A = 1.0 \,m \pm 0.2 \,m $, $ B = 2.0 \,m \pm 0.2 \,m $. We should report the correct value for $ \sqrt{AB} $ as:

A particle is moving in a straight line. The variation of position $ x $ as a function of time $ t $ is given as:
$ x = t^3 - 6t^2 + 20t + 15 $.
The velocity of the body when its acceleration becomes zero is:

A rigid body rotates about a fixed axis with variable angular velocity $ \omega = \alpha - \beta t $ at time $ t $, where $ \alpha, \beta $ are constants. The angle through which it rotates before it stops is:

A particle of mass $ m $ is projected with a velocity $ u $ making an angle of $ 30^\circ $ with the horizontal. The magnitude of angular momentum of the projectile about the point of projection when the particle is at its maximum height $ h $ is:

A light string passing over a smooth light pulley connects two blocks of masses $ m_1 $ and $ m_2 $ (where $ m_2>m_1 $). If the acceleration of the system is $ \frac{g}{\sqrt{2}} $, then the ratio of the masses $ \frac{m_1}{m_2} $ is:

A person of mass $ 60 $ kg is inside a lift of mass $ 940 $ kg. The lift starts moving upwards with an acceleration of $ 1.0 $ m/s$ ^2 $. If $ g = 10 $ m/s$ ^2 $, the tension in the supporting cable is:

A force of $ F = 0.5 $ N is applied on the lower block as shown in the figure. The work done by the lower block on the upper block for a displacement of 3 m of the upper block with respect to the ground is (Take, $ g = 10 $ m/s$ ^2 $):

An ideal massless spring $ S $ can be compressed $ 1 $ m by a force of $ 100 $ N in equilibrium. The same spring is placed at the bottom of a frictionless inclined plane inclined at $ 30^\circ $ to the horizontal. A $ 10 $ kg block $ M $ is released from rest at the top of the incline and is brought to rest momentarily after compressing the spring by $ 2 $ m. If $ g = 10 $ m/s$ ^2 $, what is the speed of the mass just before it touches the spring?

A particle of mass $ 2 $ kg is on a smooth horizontal table and moves in a circular path of radius $ 0.6 $ m. The height of the table from the ground is $ 0.8 $ m. If the angular speed of the particle is $ 12 $ rad/s, the magnitude of its angular momentum about a point on the ground right under the center of the circle is:

A spherical ball of mass $ 20 $ kg is stationary at the top of a hill of height $ 100 $ m. It rolls down a smooth surface to the ground, then climbs up another hill of height $ 30 $ m and finally rolls down to a horizontal base at a height of $ 20 $ m above the ground. The velocity attained by the ball is:

A body which is initially at rest at a height $ R $ above the surface of the Earth of radius $ R $, falls freely towards the Earth. The velocity on reaching the surface of the Earth is:

With rise in temperature, the Young's modulus of elasticity:

Young’s modulus of a material is $ Y $. If the length of a wire is doubled and the cross-sectional area is halved, then Young’s modulus will be:

Pressure inside two soap bubbles are 1.01 and 1.02 atmosphere, respectively. The ratio of their volumes is:

A gas can be taken from A to B via two different processes ACB and ADB. When path ACB is used, $ 60 J $ of heat flows into the system and $ 30 J $ of work is done by the system. If path ADB is used, the work done by the system is $ 10 J $. The heat flow into the system in path ADB is:

On Celsius scale, the temperature of a body increases by $ 40^\circ C $. The increase in temperature on Fahrenheit scale is:

The temperature of an ideal gas is increased from 200 K to 800 K. If the RMS speed of gas at 200 K is $ v_0 $, then the RMS speed of the gas at 800 K will be:

A particle executes simple harmonic motion between $ x = -A $ and $ x = +A $. If the time taken by the particle to go from $ x = 0 $ to $ \frac{A}{2} $ is 2 s, then the time taken by the particle in going from $ x = \frac{A}{2} $ to $ A $ is:

The speed of sound in oxygen at STP will be approximately:(Given, R = 8.3J$(K)^−1$, $γ = 1.4)$

A plane progressive wave is given by y = 2 cos 2pi (330t - x) m. The frequency of the wave is:}