CUET Questions — Physics
362 solved questions with detailed explanations
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