List of top Physics Questions asked in BITSAT

Two capacitors, of capacitance C, are connected in series. If one of them is filled with a dielectric substance K, what is the effective capacitance?

What is the dimension of the Gravitational constant?

Dipole placed in a sphere, what will be the electric flux?

Damped oscillation constant decreases then what will be the effect of resonance factor?

A motorcyclist is trying to jump across a path as shown by driving horizontally off a cliff A at a speed of 5 m/s. Ignore air resistance and take g = 10m/s² . The speed with which he touches the cliff B is?

Why did the time period of rotation of Earth decrease by microseconds after the Japan 2011 earthquake?

The potential energy of a body is given by \(U(x)\) and it has mechanical energy is E. Then its potential energy when its velocity is zero is given by?

Conversation of linear momentum is a necessary condition for which Kepler's laws?

Two inductors each of \(50mH\) are connected in parallel, what is the equivalent inductance?

The statement “velocity and acceleration always act through the same straight line, either in the same or opposite direction” applies for which dimensional motions?

If an object of mass m is given a velocity equal to twice the escape velocity of Earth then the velocity of the object at the point where Earth shows no Gravitational force strength would be at?

Quality factor: If R is halved keeping L, C same then Q becomes?

Work done in an isochoric process is always?

Mercury kept in the refrigerator has length L. If taken out in atmospheric pressure condition, length remains the same due to?

If work done on a body is positive, then what will be the sign of kinetic energy?

A current through a wire depends on time as $i =\alpha_{0} t +\beta t ^{2}$ where $\alpha_{0}=20 A / s$ and $\beta=8 As ^{-2} .$ Find the charge crossed through a section of the wire in $15 s$.

A man drags a block through $10\, m$ on rough surface $(\mu = 0.5)$. A force of $\sqrt{3}$ kN acting at $30^{\circ}$ to the horizontal. The work done by applied force is

A force of $2\hat{i}+3\hat{j}+4\hat{k}$ $N$ acts on a body for $4$ second, produces a displacement of $\left(3\hat{i}+4\hat{j}+5\hat{k}\right)$$m$. The power used is

A brick of mass $2\, kg$ slides down an incline of height 5m and angle $30^{\circ}$. If the coefficient of friction of the incline is $\frac{1}{ 2 \sqrt{3}}$ , the velocity of the block at the bottom of the incline is (Assume the acceleration due to gravity is $10\, m/s^2$)

Water is flowing through a horizontal tube having cross-sectional areas of its two ends beings $A$ and $A$' such that the ratio $A/A$' is $5$. If the pressure difference of water between the two ends is $3 \times 10^5\, N m^{-2}$, the velocity of water with which it enters the tube will be (neglect gravity effects)

The ratio of the specific heats $\frac{C_{P}}{C_{V}}=\gamma$ in terms of degrees of freedom (n) is given by

With the increase in temperature, the angle of contact

The young's modulus of a wire of length $L$ and radius $r$ is $Y$ $N/m^{2}$. If the length and radius are reduced to $L/2$ and $r/2$, then its young's modulus will be

speeds of $20\, m/s$ and $15\, m/s$ relative to the ground. The first train sounds a whistle of frequency $600\, Hz$. The frequency of the whistle heard by a passenger in the second train before the train meets, is (the speed of sound in air is 340 m/s)