CUET Questions — Physics

Q21. Charge on a conducting metal sphere is present: (a) on the surface of the sphere (b) inside the sphere (c) outside the sphere (d) both inside and outside the sphere

Q17. The wave length of Red light in the visible region is about 760 nm the energy of photon in that case will be: (a) 2.43 eV (b) 3.18 eV (c) 1.64 eV (d) 2.68 eV

Q48. Two coils of self-inductances L₁ and L₂ are kept close to each other so that the effective flux in one is completely linked with the other. What is the mutual inductance M between them? (a) L₁L₂

Q10. An electric dipole of dipole moment P is rotated in an electric field of magnitude E from the most stable orientation to most unstable orientation. The work done in the process is:

Q38. A radioactive nucleus decays as given below: Z_P^A → Z+1_Q^A → Z-1_R^(A-4) → Z-1_R^(A-4) Which particles are emitted in the sequence? (a) α, β, γ (b) β, γ, α (c) γ, α, β (d) β, α, γ

Q1. A Zener diode is used in a voltage regulator circuit as shown below. Its breakdown voltage is 15 V. What is the current flowing through the Zener diode? 500 Ω +0 1 ΚΩ 25 V 15 V (a) 5 mA (b) 10 mA

Q25. Match List - I with List - II LIST - I (Type of EM Wave) (A) Microwaves (B) Radio waves (C) Infrared waves (D) Ultraviolet rays LIST - II (Application) (I) Cellular phones (II) Greenhouse effect

Q45. Match List - I with List - II. List - I A. [Image of electric dipole moment p parallel to electric field E] B. [Image of electric dipole moment p anti-parallel to electric field E] C. [Image of e

Q1. In an LCR circuit, which of the following expression has the dimension of frequency: (a) VC-RA (b) 1/RC (c) R/L (d) 1/VLC

Q46. The bottom of a container is a 6 cm thick glass (μ = 1.5) slab. The container contains a thick layer of water (μ_w = 1.33), 4 cm on top of the glass. What is the apparent position of a scratch on