List of top Physics Questions asked in CUET (UG)

The electric potential due to an electric dipole
(A) depends on r, where r is the magnitude of position vector \(\vec{r}\)
(B) depends on the angle between the position vector \(\vec{r}\) and the dipole moment vector \(\vec{p}\)
(C) falls off at long distances, as \(1/r^2\)
(D) does not depend upon the distance separating the charges
Choose the correct answer from the options given below:
A vehicle moves on a banked curve of radius \( r \) with banking angle \( \theta \). What is the speed \( v \) of the vehicle to avoid slipping without friction?
Which of the following physical quantities has the same dimensions as \( \dfrac{\text{Force} \times \text{Time}}{\text{Mass}} \)?
A charged particle with charge \( q \) and velocity \( \vec{v} \) moves perpendicular to a magnetic field \( \vec{B} \). The radius of the circular path is \( r \). What is the expression for \( r \)?
A pendulum completes 20 oscillations in 40 seconds. What is its frequency?
In an adiabatic process, the work done by the gas is 500 J. What is the change in internal energy of the gas?
The stopping potential for photoelectric emission from a metal surface is 2 V when light of wavelength 400 nm is incident. What will be the stopping potential for light of wavelength 300 nm? (Planck’s constant \( h = 6.63 \times 10^{-34} \) Js, speed of light \( c = 3 \times 10^8 \) m/s, charge of electron \( e = 1.6 \times 10^{-19} \) C)
A convex lens forms an image at twice the distance of the object from the lens. What is the magnification?
In a circuit, if the resistance is doubled and the voltage is halved, what happens to the current flowing through the circuit?
Two point charges \( q_1 \) and \( q_2 \) are placed at a distance \( r \) in vacuum. The force between them is \( F \). If the distance is doubled and both charges are halved, what will be the new force?
A projectile is fired with an initial velocity \( u \) at an angle \( \theta \) to the horizontal. The time of flight is \( T \). What is the maximum height \( H \) reached by the projectile?

Which of the following statements is true regarding static friction?

In the Bohr model of hydrogen atom, the angular momentum of the electron is:
Two capacitors of 4 $\mu$F and 6 $\mu$F are connected in series. Their equivalent capacitance is:
Two like charges are placed 1 m apart in air. If the force between them is 9 N, and one charge is 1 C, what is the other charge? (Use $ k = 9 \times 10^9 \, \text{Nm}^2/\text{C}^2 $)
What is the amount of heat required to raise the temperature of 100 g of water from 30°C to 80°C? (Specific heat of water = 4.2 J/g°C)
The value of acceleration due to gravity on the Moon is about $ \frac{1}{6} $ that on Earth. If an object weighs 60 N on Earth, its weight on the Moon is:
If the velocity–time graph of a body is a straight line inclined to the time axis, the motion has:
A body of mass 2 kg is raised to a height of 5 m. What is the potential energy gained? (Take $ g = 10 \, \text{m/s}^2 $)
A current-carrying straight conductor produces a magnetic field. The direction of the field is given by:
An object is placed 10 cm in front of a concave mirror of focal length 15 cm. The image formed is:
A wave travels along a string with a frequency of 50 Hz and wavelength of 2 m. What is its speed?
A 10-ohm resistor carries a current of 2 A. What is the power dissipated?
If the temperature of an ideal gas is doubled at constant pressure, what happens to its volume?
A block is resting on a rough horizontal surface. A force is applied horizontally, but the block does not move. What can be said about the frictional force acting on it?