CUET QuestionsPhysics

362 solved questions with detailed explanations

301

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

CUET UGPhysics
302

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

CUET UGPhysics
303

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)

CUET UGPhysics
304

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

CUET UGPhysics
305

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°

CUET UGPhysics
306

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

CUET UGPhysics
307

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

CUET UGPhysics
308

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

CUET UGPhysics
309

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

CUET UGPhysics
310

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

CUET UGPhysics