List of top Physics Questions asked in CUET (UG)

Magnetic field \(|B|\) at a point \(P\) in the following network is:

Brief exposure to the sound of minimum can damage ear drums of humans.

Match LIST I with LIST II

LIST I Device		LIST II  Purpose
A	Microphone	I	Used in vehicles to measure distance
B	Audiometer	II	For measuring the force and velocity of wind
C	Odometer	III	Converts sound waves to electrical vibrations
D	Anemometer	IV	Measures intensity of sound

Choose the most appropriate answer from the options given below:

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

The graph showing correct variation of photo current with intensity of incident light:

Choose the correct alternative from the following:

Light is traveling from one medium to another medium as given in the options. In which of the following options total internal reflection will be possible?

In a potentiometer arrangement, a cell of 1.5 V gives a balance point at 45.0 cm length of the wire. If the cell is replaced by another cell and the balance point shifts to 75.0 cm, what is the emf of the second cell?

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:

If a copper wire carries a direct current, the magnetic field associated with the current would be:

A wire is bent as shown in figure is placed in a uniform field B that emerges from the plane of the paper, outward as shown. The magnitude of force on the given wire is :

Which one of the following cannot be polarised?

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

An astronomical telescope consists of an objective of focal length 50 cm and eyepiece of focal length 2 cm is focused on the moon so that the final image is formed at the least distance of distinct vision (25 cm). Assuming angular diameter of the moon as \( \frac{1}{2^\circ} \) at the objective, the angular size of image 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?

Linear magnification produced by a mirror is +1.5. What is the correct mirror and object position?

Which of the following statements are correct?
A. Electric field lines are always perpendicular to equipotential lines.
B. A zero electric field inside a conducting sphere does not mean that the potential gradient is also zero
C. The resultant of two electric fields is determined by vector addition of the two field strengths
D. If the field lines get closer together at any place, it means that the field strength is decreasing
E. The resultant potential at a point is just the sum of the individual potentials.
Choose the correct answer from the options given below:

The logic gate realised using p-n junction diodes in the given figure is:

What is the magnetic force acting on a proton (charge +1.6 × 10^-19C) moving at an angle of 30° across a magnetic field of 5.3 x 10³ T at a speed of 3.0 x 10⁵ ms^-1?

Match List I with List II

Choose the correct answer from the options given below:

Two sitar stings A and B playing a note are slightly out of tune and produces beats of frequency 5 Hz. The tension in string B is slightly increased and beat frequency become 3 Hz. What is the original frequency of B if frequency of A is 427 Hz.

A charge of 5 μC moves with a speed of $2 \times 10^6$ m/s along the positive y-axis. A magnetic field $\vec{B}$ of strength ($2\hat{i}+ \hat{k}$)T exists in space. The magnetic force acting on the charge is :

A bar magnet when suspended horizontally and perpendicular to earth's field experiences a torque of 3 x 10^-4 Nm. The Magnetic moment of the magnet would be:
(take horizontal component of Earth's magnetic field at the place 0.4 × 10^-4T)

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

Match List I with List II

	LIST I		LIST II
A.	Magnetic dipole moment	I.	Weber/$m^2$
B.	Magnetic permeability	II.	Am (Ampere m)
C.	Pole strength	III.	Henry/m
D.	Magnetic flux density	IV.	$Am^2$ (Ampere $m^2$)

Choose the correct answer from the options given below: