List of top Physics Questions asked in CUET (UG)

What is the self inductance of a solenoid of length 50 cm, if area of cross section is 10 cm² and total number of turns is 600?

A parallel beam of monochromatic light of wavelength 460 nm passes through a long slit of width 0.1 mm. What is the angular divergence in which most of the light is diffracted?

Electron and Photon have same de Broglie wavelength, which of the following is true for their momentum:

Which of the following is a transducer ?
(A) Loudspeaker
(B) Amplifier
(C) Rectifier
(D) Microphone
Choose the correct answer from the options given below :

Four identical capacitors each of capacitance C are arranged as shown in the figure. What is the effective capacitance between P and Q?

When 100 V dc is applied across a solenoid, a current of 1 A flows in it. When 100 V ac is applied across the same solenoid the current drops to 0.5 A. If the frequency of the ac source is 50 Hz, the impedance and inductance of the solenoid are:

SI unit of temperature is ________.

A spherical conducting shell of inner radius r₁ and outer radius r₂ has a charge Q. A charge q is placed at the centre of the shell. The surface charge density on outer surface of the shell is:

Match List I with List II

Choose the correct answer from the options given below:

Energy band gap is maximum in:

After 4 hours,\(\frac{1}{16}\) of the initial amount of a certain radioactive isotype remains undecayed. What is the half life of the isotope?

Kirchhoff's Second Law is based on law of conservation of:

The type of wavefront that emerges from a distant light source is:

A conducting sphere of radius R is given a charge Q. What is the electric field and the electric potential at the centre of the sphere?

A vertical electric field of magnitude 4.9×10⁵ NC^-1 just prevents a water droplet of mass 0.1 g from falling. What is the charge on the droplet? Take acceleration due to gravity 9.8 ms^-2.

An alternating voltage V = 140 sin 100 πt is connected across a pure resistor of resistance 40 Ω. What is the rms current through the resistor? (Take √2 = 1.4)

C.V. Raman got Nobel Prize in 1930 for his discovery of:

What is the wavelength of light for the least energetic photon emitted in the Lyman series of the hydrogen atom spectrum lines?
(Take h=6.63×10^-34Js; c=3×10⁸ ms^-1; e=1.6×10^-19C)

A \(ẞ\)-particle is moving perpendicular to the uniform electric field created by a potential difference of \(6 × 10^3\) V across parallel metal plates separated by a vertical distance of 6 cm. What is the acceleration of the beta particle between the plates? (Mass of electron = \(9.1 × 10^{-31}\)kg) 

A semiconductor has an electron concentration of 8 x 10¹³ m^-3 and hole concentration of 2 × 10³ m^-3. The semiconductor behaves as:

What is the de Broglie wavelength associated with an elector accelerated through a potential difference of 144 V?

Why do light emitting diodes are preferred over conventional incandescent low power lamps?

The truth table for one of the following logic gates is given. Identify the logic gate

A bulb of 100 W glows for 6 hours a day. The units of energy consumed in 7 days would be :

In Young's double slit experiment, yellow light of wavelength 640 nm produces fringes of width 0.8 mm. What will be the fringe width if the light source is replaced by another monochromatic source of wavelength 720 nm and the separation between the slits is made thrice?