List of top Physics Questions asked in CUET (UG)

An a.c. circuit contains a 4 Ω resistance wire in series with an inductance coil of reactance 3 Ω. The impedance of the circuit is:

Which of the following particles will experience the maximum magnetic force (magnitude) when projected with the same velocity perpendicular to the magnetic field?

An electric bulb rated 200 V - 100 W is connected to a 160 V power supply. The power consumed by it would be:

A long solenoid of diameter 0.1 m has 2 × 10⁴ turns per meter. A coil of 100 turns and radius 0.01 m is placed with its axis coinciding with the solenoid axis.The current in the solenoid reduces at a constant rate to 0 A from 4 A in 0.05s .If the resistance of the coil is 10π²Ω, then the total charge flowing through the coil during this time is ______.
Fill in the blank with the correct answer from the options given below.

10 resistors, each of resistance R are connected in series to a battery of emf E and negligible internal resistance. Then those are connected in parallel to the same battery, the current is increased n times. The value of n is:

The drift speed of electrons in a conductor is estimated to be only a few mm s^-1, But on closing a circuit, how current is established almost instantly in an electric circuit?

A slit of width \(e\) is illuminated by light of wavelength \(\lambda\). What should be the value of \(e\) to obtain the first maximum at an angle of diffraction \(\frac{\pi}{3}\)?

Two thin lenses of power +3D and -1D are held in contact with each other. Focal length of the combination would be:

The graph shows the variation of the magnification (m) produced by a thin lens with image distance (v). The focal length of the lens is:

Match List I with List II using Bohr’s Atomic Model

List I	List II
(A) Radius of electron orbit	(I) directly proportional to n2
(B) Angular momentum of electron	(II) directly proportional to n
(C) Velocity of electron	(III) inversely proportional to n
(D) Energy of electron	(IV) inversely proportional to n2

The displacement current due to time varying electric field is given by

Identify the logic operation carried out by the following circuit.

Match List I with List II

List I	List II
(A) Modulation	(III) Superimposition of a signal on a high frequency wave
(B) Baseband signals	(IV) Band of frequencies representing the original signal
(C) Demodulation	(I) Retrieval of information from the carrier wave at the receiver
(D) Bandwidth	(II) Frequency range over which an equipment operates

Two point charges \(q\) and \(-3q\) are kept 12 cm apart. The distance of the point from \(q\) on the line between two charges at which potential due to this system of charges is zero will be:

The height of a TV tower is 180 m. To what distance the transmission can be made from this tower, if the radius of earth is \(6.4 \times 10^6\) m?

In the figure, the potential difference between A and B is:

Match List I with List II

List I	List II
(A) Zener Diode	(II) Voltage Regulator
(B) LED	(III) Remote Control
(C) Rectifier	(IV) AC to DC
(D) Photo diode	(I) Detect optical signal

Select the correct statement for nuclear force:

Match List I with List II

List I	List II
(A) Rn22286 → Po21884	(III) α particle
(B) Bi21483 → Po21484	(I) β− particle
(C) Th23490 → U23492	(I) β− particle
(D) Na2211 → Na2210	(II) β+ particle

What will be the energy released in the fusion process of two lighter nuclei of masses \( m_1 \) and \( m_2 \) into a nucleus of mass \( M \)?

Which of the following statements is NOT correct:

Which of the following statements are correct?
A. Photoelectric current depends on the intensity of light.
B. The stopping potential is directly related to the maximum kinetic energy of electrons emitted, which is dependent on the intensity of incident radiation.
C. Photoelectric emission from a metal surface occurs due to absorption of a photon by an electron.
D. Photoelectric effect follows the law of conservation of energy.

The energy diagram of a hydrogen atom is given below. Arrange the wavelengths corresponding to different emissions in increasing order.

A proton, a deuteron, an electron, and an \(\alpha\)-particle have the same energy. Their deBroglie wavelengths are \( \lambda_p \), \( \lambda_d \), \( \lambda_e \), and \( \lambda_{\alpha} \), respectively. Which of the following is correct?