List of top Physics Questions asked in CUET (UG)

A projectile is fired with an initial velocity \( u \) at an angle \( \theta \) to the horizontal. The time of flight is \( T \). What is the maximum height \( H \) reached by the projectile?
In an adiabatic process, the work done by the gas is 500 J. What is the change in internal energy of the gas?

Match List-I with List-II 
\[\begin{array}{|l|l|} \hline \text{List-I (Physical Quantity)} & \text{List-II (Units)} \\ \hline \text{(A) Magnetic field} & \text{(I) J T\(^{-1}\)} \\ \hline \text{(B) Magnetic moment} & \text{(II) T m A\(^{-1}\)} \\ \hline \text{(C) Pole strength} & \text{(III) J T\(^{-1}\) m\(^{-1}\)} \\ \hline \text{(D) Permeability of free space} & \text{(IV) Wb m\(^{-2}\)} \\ \hline \end{array}\]Choose the correct answer from the options given below: 
 

In the following nuclear reaction, \(^1_0\text{n} + ^{235}_{92}\text{U} \rightarrow ^{140}_{54}\text{Xe} + ^b_a\text{Sr} + 2(^1_0\text{n})\) we have
A proton accelerated through a potential difference of V volts has a de-Broglie wavelength \(\lambda\) associated with it. In order to get the same wavelength associated with an \(\alpha\)-particle, the required accelerating potential is
Which of the following statement(s) is/are true for p-type semiconductors?
(A) Holes are minority carriers and pentavalent atoms are the dopants.
(B) Electrons are majority carriers and trivalent atoms are the dopants.
(C) Holes are majority carriers and trivalent atoms are the dopants.
(D) Electrons are minority carriers and pentavalent atoms are the dopants.
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On connecting a device X in a series circuit with a battery and a resistor, a current passes through the circuit. On reversing the polarity of the battery, the current in the circuit drops to almost zero. The device X may be a
An electron in the ground state of a hydrogen atom absorbs 12.09 eV energy. The angular momentum of the electron increases by
Which of the following statements are correct?
(A) The electrostatic repulsive force between the protons can be greater than the nuclear force to bind the nucleons together inside a nucleus.
(B) The repulsive electrostatic force between protons in smaller nuclei is much smaller than the nuclear force between nucleons inside a nucleus.
(C) The gravitational force between nucleons is much smaller than the nuclear force between the nucleons inside a nucleus.
(D) The binding energy per nucleon between nucleons is almost constant because the nuclear force is a long range force.
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Below given are some statements about electronic devices:
(A) Diodes can be used for rectifying an ac voltage.
(B) For semiconductors, band gap energy E\(_g\) > 3 eV.
(C) By changing the external applied voltage, junction barriers can be changed.
(D) p-n junction is the 'key' to all semiconductor devices.
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Which of the following statements are correct?
(A) A nucleus of mass number A has a radius R given by the expression R = R\(_0\)A\(^{1/3}\)
(B) Volume of nucleus is proportional to mass number A
(C) The density of nucleus increases with the radius of nucleus.
(D) Density of nuclear matter does not depend on its mass number A
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The photoelectric current is directly proportional to the number of photo electrons emitted per second. This implies that
The de-Broglie wavelength associated with a ball of mass 150 g traveling at 30.0 m/s would be
A polaroid sheet is rotated between two crossed polarizers. The intensity of transmitted light would be maximum, when the angle between the axes of the first polarizer and the polaroid sheet is
If focal length of a concave lens is 50 cm, then the power of the lens would be
Which of the following statements are correct?
(A) Total internal reflection occurs when a ray of light travels from a rarer transparent medium to a denser medium.
(B) In total internal reflection, the incident ray of light remains in the same medium after reflection.
(C) In total internal reflection, the angle of incidence inside the denser transparent medium is equal to the angle of reflection in the same medium.
(D) In total internal reflection inside a denser medium there is no angle of refraction
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Which of the following statement(s) is/are correct?
(A) The power of a lens is the ability of the lens to converge or diverge the incident rays.
(B) S.I unit of the power of a lens is dioptre while focal length is in centimetres
(C) For a lens of larger focal length, power is smaller
(D) In any combination of lenses, the power of combination is not algebraic addition of power of combined lenses
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In a Young's double-slit experiment, two slits are 1.5 mm apart while the screen is 1.2 m away. When a light of wavelength 600 nm is incident on slits, the fringe width will be
In an experiment with a convex lens, the length of an image is 1 cm, and the object length is 5 cm. If the object is placed at a distance of 40 cm from the lens, then the focal length of the lens is
The critical angle of incidence \(i_c\) for a ray incident from a denser to rarer medium, is that angle for which
The electric field E associated with a progressive electromagnetic wave is given by E = E\(_0\)sin(kx - \(\omega\)t). If B\(_0\) is the amplitude of the magnetic field associated with the wave, then
Match List-I with List-II
\[\begin{array}{|l|l|} \hline \text{List-I (Electromagnetic waves)} & \text{List-II (Wavelength range)} \\ \hline \text{(A) X-rays} & \text{(I) 1mm to 700 nm} \\ \hline \text{(B) Radio waves} & \text{(II) 0.1m to 1 mm} \\ \hline \text{(C) Infrared waves} & \text{(III) 1nm to \(10^{-3}\) nm} \\ \hline \text{(D) Microwaves} & \text{(IV) > 0.1 m} \\ \hline \end{array}\]
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Which of the following statements are correct?
(A) All mirrors follow the laws of reflection.
(B) The angle between the ray of incidence and the plane surface of the mirror is equal to the angle between the plane surface of mirror and the ray of reflection for plane mirror
(C) the rays coming parallel to the principal axis will go after reflection through the focus of the curved mirror
(D) the rays coming to the pole of a curved mirror making an angle with axis will be reflected making the equal angle with the axis on the other side of the axis.
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Maxwell's displacement current is
Which of the following statements is not correct for electromagnetic induction?