List of top Physics Questions asked in CUET (UG)

A parallel beam of light of wavelength 500 nm is incident normally on a slit of width d. If the distance between slit and screen is 0.6 m and distance of second order minimum from the centre of the screen is 6.0 mm, What is the width of the slit?

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.

A radioactive isotope phosphorous-32 has an initial activity 10μCi and has half life of 14 days. What is the activity of the source after 42 days?

Choose the correct statement:
Three charges 2q, ^-q. ^-q are located at the vertices of an equilateral triangle. At the centroid:

1 atm (Atmospheric Pressure) is equal to :

A uniform magnetic field, parallel to the plane of the paper existed in space initially directed from left to right. When a bar of soft iron is placed in the field parallel to it, the lines of force passing through it will be represented by:

A series AC circuit has a resistance 8Ω and a reactance of 6Ω . The impedance of the circuit is:

Two point charges +4µC and -2µC are placed at a certain distance in air. They experience an attractive force F. If they are brought in contact with each other and then separated to the same distance, the new repulsive force between them will be :

A room heater is rated 750 W, 220 V. An electric bulb rated 200 W, 220 V is connected in series with this heater. What will be the power consumed by the bulb and the heater respectively, when the supply is at 220 V?

When a ray of light enters from denser medium to rarer medium, its velocity is doubled. The critical angle for total internal reflection will be:

The mutual inductance M₁₂ of coil 1 with respect to coil 2:

A galvanometer having a resistance of 8Ω is shunted by a wire of resistance 2Ω. If the current is 1 A, the part of it passing through the shunt will be:

A body oscillate with SHM according to equation (SI unit),
\(x= 10cos (2πt+π/4)\)
at t= 1.5 s, calculate the speed of the body.

Which one out of the following is not an application of eddy currents?

The charge which is a source of electric field but not of magnetic field is:

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?

There are 4 electric bulb of 50W (each) is used for 5 hour per day. Calculate the energy consumed in the month of January.

The forbidden energy gaps in conductors, semiconductors and insulators are (E_g)_c, (E_g)_s and (E_g)₁ respectively. What is the relation among them ?

The electric field vector oscillates according to the equation \(\overrightarrow E = 4sin[1.8y +(5.4×10^6)t]\hat k\). The equation of magnetic field vector is:

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

Match List I with List II

Choose the correct answer from the options given below:

An electric bulb has a filament made of _______

Homi Jahangir Bhabha played an important role in the Discovery of ________

If three cells are connected in parallel as shown in figure, then equivalent emf would be:

The capacitance of capacitor increases when :
(A) its charge increases
(B) its supply voltage decreases
(C) common area of the plates increases
(D) separation between the plates decreases
Choose the correct answer