List of top Physics Questions asked in CUET (UG)

A charge of magnitude \(3 \times 10^{-7}\) C is located at a distance of 0.09 m from a point P. Obtain the work done in bringing a charge of \(2 \times 10^{-9}\) C from infinity to the point P.
If the protons and electrons are the only basic charges in the universe, all the observable charges have to be integral multiples of e. Thus, if an object contains x electrons and y protons, the net charge on the object will be
A disc of mass $ M $ and radius $ R $ is rolling without slipping with linear velocity $ v $. What is its total kinetic energy?
Two point charges $ +Q $ and $ -4Q $ are placed 60 cm apart. Where should a third charge be placed so that it experiences zero net force?
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 \( r \)?
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 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?
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?
Which of the following physical quantities has the same dimensions as \( \dfrac{\text{Force} \times \text{Time}}{\text{Mass}} \)?
A pendulum completes 20 oscillations in 40 seconds. What is its frequency?
A 10-ohm resistor carries a current of 2 A. What is the power dissipated?

Which of the following statements is true regarding static friction?

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)
In the Bohr model of hydrogen atom, the angular momentum of the electron is:
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:
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 $)
A current-carrying straight conductor produces a magnetic field. The direction of the field is given by:
A wave travels along a string with a frequency of 50 Hz and wavelength of 2 m. What is its speed?
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 $)
An object is placed 10 cm in front of a concave mirror of focal length 15 cm. The image formed is:
If the temperature of an ideal gas is doubled at constant pressure, what happens to its volume?