CUET Questions — Physics

Q8. In equation P = Ec⁻¹, where P is momentum, E is energy and c is the speed of light. In which of the following options, this equation is valid: (a) for an electron only (b) for a photon but not for

Q49. The focal length of the objective of a microscope if fo and that of the eye piece if fe. The aperture of objective is do and that of eye piece is de. Which of the following relation is correct? (

Q36. Choose the wrong statement: (a). Potential difference across the terminals of the cell in a closed circuit is less than its emf. (b) Internal resistance of the cell decreases with decrease in tem

Q12. Choose the correct experimental circuit arrangement for studying V-I characteristics a p-n junction diode in forward bias: (a) Pn mA Switch (S) (b) MA Pn Switch (S) (c) P OmA Switch (S) (d) mA Sw

Q38. A radioactive nucleus decays as given below: ZPX → Z+1Q → R → Z-1R Which particles are emitted in the sequence? (a) α, β, γ (b) β, γ, α (c) γ, α, β (d) β, α, γ

Q17. Choose the correct relation between drift velocity (va) and current density (J) from the following: (a) va = Jne (b) Vd = J / ne (c) va = ne / J (d) vd = neA / J

Q21. Two coherent light beams of intensities I and 4 I are superimposed. The maximum and minimum possible intensities in the resulting pattern are: (a) 5 I and 3 I (b) 5 I and I (c) 9 I and I (d) 9 I

Q6. The resistivity of a potentiometer wire is 10-7 Ωm and its cross-section area is 10-6 m². When a current of 0.1 A follows through the wire, its potential gradient is: (a) 10-1 V/m (b) 10-2 V/m (c)

Q48. Match List - I with List - II List-I (A) NAND Gat4e (1) (B) NOR Gate (C) NOT Gate (III) (D) OR Gate (IV) List-II Choose the correct answer from the options given below: (a) (A)-(I), (B)-(II), (C)

Q30. An electron enters a crossed electrical and magnetic field region with a speed of 100 m s-¹ along + x-axis and passes undeviated. The strength of magnetic field is 5.0 T and it acts along + z-axi