CUET Questions — Physics

Q23. Match List - I with List - II List-I (A) Minimum magnetic moment associated with orbital motion of electron in 1st orbit is (B) Paramagnetic materials have relative permeability (C) Magnetic mome

Q16. Which phenomena proves the particle nature of photon? (a) Interference (b) diffraction (c) polarisation (d) Photo electric effect

Q44. The intensity of light due to (see figure) interference of two waves (1) and (2) which have path difference of Δ is: (where I₀ = Intensity of each wave) S P (1) S (2) S Screen (a) Zero (b) Io (c)

Q31. An AC current is given by I = i₁ coswt + i₂sinwt The rms current is given by: (a) (i₁+i₂)/√2 (b) √((i₁²+i₂²)/2) (c) √(i₁²+i₂²)/2 (d) √((i₁+i₂)²)/2

Q15. The critical angle of a medium for a specific wavelength, if the medium has relative permittivity 3 and relative permeability 4/3 for this wavelength, will be: (a) 15° (b) 30° (c) 45° (d) 60°

Q10. Let iE, iC and iB represent the emitter current, collector current and the base current respectively in a transistor. Choose the correct statement from the following. (a) iC is slightly greater t

Q49. The magnitude of electric force exerted by a proton on an electron in a hydrogen atom is, (Given distance of separation between charges, 1Å) (a) 2.3 × 10⁻¹⁰N (b) 2.3 x 10⁻⁸N (c) 2.3 x 10⁻⁹N (d) 2

Q13. The current flow in the circuit of two battery with internal resistance and two external resistance as shown in figure will be (a) 1.5 A (b) 0.67 A (c) 0.9 A (d) 1.0 A

Q36. Which of the following spectral series is found in the visible region of the hydrogen spectrum? (a) Lyman (b) Balmer (c) Paschen (d) Pfund

Q5. Two electrons are moving with different kinetic energies. If 1st electron is moving with kinetic energy k and the 2nd electron with kinetic energy 4k, the ratio of their de Broglie wavelengths wil

Q45. Match List - I with List - II. List - I A. [Diagram of electric dipole in uniform E field, with dipole moment P aligned with E] B. [Diagram of electric dipole in uniform E field, with dipole mome

Q50. Time period of oscillation of a bar magnet in a uniform magnetic field is T₀. The magnet is cut into 3 equal parts transverse to its length. The new time period of oscillation of one part will be

Q28. The wavelength of light from the spectral emission line of sodium is 662 nm. The kinetic energy at which an electron would have same de-Broglie wavelength would be: (h = 6.62 x 10⁻³⁴ J-s, me = 9

Q7. The two coherent monochromatic light beams of intensities I and 41 are superposed. The maximum and minimum possible intensities in the resulting beams are: (a) 5 I and I (b) 9 I and I (c) 5 I and

Q41. In an experiment, a student in the laboratory measures the terminal potential difference (V) of a cell (emf E and internal resistance r) as a function of current I flowing through it and plot a g

Q3. A thin metallic spherical shell contains a charge +10 µC on it. A point charge +2 µC is placed at the centre of the shell and another charge +5 µC is placed outside it as shown. The force on the c

Q20. In a p-n junction under equilibrium:

Q8. Which of the following change is observed when light travels from air to glass? (a) speed of light only (b) frequency of light only (c) wavelength of light only (d) wavelength and speed of light o

Q11. Which of the following statements are correct? A. A Equi Convex lens of f = 20 cm is cut as the focal length of each part is 10 cm. B. A Equi Convex lens of f = 20 cm is cut as the focal length o

Q16. The kinetic energy of an electron in the ground state of hydrogen atom is 13.6 eV. The potential energy (PE) and total energy (E) of electron in this state is