List of top Questions asked in CUET (UG)

The photoelectric current is directly proportional to the number of photo electrons emitted per second. This implies that
Energy is released in both nuclear fission and fusion because:
Two capacitors of 4 $\mu$F and 6 $\mu$F are connected in series. Their equivalent capacitance is:
A wave travels along a string with a frequency of 50 Hz and wavelength of 2 m. What is its speed?
An electron in the ground state of a hydrogen atom absorbs 12.09 eV energy. The angular momentum of the electron increases by
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 binding energy per nucleon initially increases and then decreases with mass number because:
In nuclear models, a negative kinetic energy value indicates:
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)
When light enters a different medium, its wavelength changes because:
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 $)
Which of the following statement(s) is/are true for p-type semiconductors?
(A) Holes are minority carriers and pentavalent atoms are the dopants.
(B) Electrons are majority carriers and trivalent atoms are the dopants.
(C) Holes are majority carriers and trivalent atoms are the dopants.
(D) Electrons are minority carriers and pentavalent atoms are the dopants.
Choose the correct answer from the options given below:
The de-Broglie wavelength associated with a ball of mass 150 g traveling at 30.0 m/s would be
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?

Which of the following statements is true regarding static friction?

How much work is done to slide a crate for a distance of 25 m along a loading dock by pulling on it with a 180 N force where the dock is at an angle of 45∘45^\circ45∘ from the horizontal?
In the Bohr model of hydrogen atom, the angular momentum of the electron is:
The critical angle of incidence \(i_c\) for a ray incident from a denser to rarer medium, is that angle for which
In an experiment with a convex lens, the length of an image is 1 cm, and the object length is 5 cm. If the object is placed at a distance of 40 cm from the lens, then the focal length of the lens is
A disc of mass $ M $ and radius $ R $ is rolling without slipping with linear velocity $ v $. What is its total kinetic energy?
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 galvanometer of resistance 520 \(\Omega\) is shunted with 20 \(\Omega\) resistance to convert it into an ammeter. The resistance of the ammeter will be
The magnitude of magnetic field inside a solenoid of length 0.3 m having 800 turns carrying a current of 6 A is
If the velocity–time graph of a body is a straight line inclined to the time axis, the motion has: