List of top Questions asked in CUET (UG)

Ferromagnetic material core used for transformer must have

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)

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

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

The forbidden energy band gap in conductors, semi conductors and insulators are E_G1, E_G2 and E_G3, respectively. The relation among them is

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

Match List I with List II

Choose the correct answer from the options given below:

A transmitting antenna at the top of a tower has a height 18 m and the height of the receiving antenna is 32 m. What is the maximum distance between them for satisfactory communication in line-of-sight mode? Given radius of earth is 6.4 × 10⁶ m

Two protons P and Q are placed between two charged plates A and B as shown, then

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.

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:

At what distance should an object be placed from a convex lens of focal length 15 cm to obtain a real image three times the size of the object?

Match List I with List II

Choose the correct answer from the options given below:

If x is inversely proportional to y and y is directly proportional to z, then xz is :

SI unit of temperature is ________.

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

The boiling point of water _______

An electric bulb has a filament made of _______

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

1 atm (Atmospheric Pressure) is equal to :

Which amongst the following is not a type of lense ?

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

Choose the most appropriate meaning of the following foreign word: "Papier mache"

Choose the most appropriate synonym for the following word: "Alarm"

Which of the following is an appropriate subscription for a formal letter?
Choose from the options given below: