CUET Questions — Physics
362 solved questions with detailed explanations
Q15. The graph between resistivity and temperature given below can be for the material P T (a) Copper (b) Nichrome (c) Manganin (d) Semiconductors
Q44. Speed of Electromagnetic wave is Not the same: (a) in all media (b) for all intensities in vacuum (c) for all frequencies in vacuum (d) for all wavelengths in vacuum
Q44. When the electron in hydrogen atom jumps from the 2nd orbit to the 1st orbit, the wavelength of the radiation emitted is λ. When the electron jumps from the 3rd orbit to 1st orbit, the wavelength
Q46. Which of the following is not a significant characteristic of a pulse? (a) Pulse amplitude (b) Pulse width (c) Pulse position (d) Pulse duration modulation
Q44. Which of the following statements are correct? (A) When light rays undergo two internal reflections inside a raindrop, a secondary rainbow is formed. (B) The angle between the emergent ray and an
Q50. Two lenses of power 3D and -1D are kept in contact. The focal length of the combined lens would be:
Q5. A Convex minor produces the magnification 1/3 and 1/4 when the object is placed at the points P and Q in front of the mirror. (a) P is far from the mirror as compared to Q. (b) Q is far from the m
Q18. A network of three capacitors each 9 µF connected in series and the fourth capacitor of 6 µF is supplied 400 V as shown in figure. The ratio of charge on the capacitor C₁ to the capacitor C4 is:
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
Q37. A dielectric material placed in uniform electric field, which of the following option is NOT CORRECT: (a) The free movement of charges in a dielectric is not possible (b) The free movement of cha
Q49. A bar magnet of magnetic moment 3 J/T lies aligned with the directions of a uniform magnetic field of 0.2 T. The amount of work, required so as to align its magnetic moment opposite to the field
Q25. A 300 turns rectangular coil of length 20 cm and breadth 12 cm is carrying a current of 12 A, when placed in a magnetic field of 6 T. The plane of the coil is making an angle of 60° with the magn
Q29. A long wire carrying current I is bent in the form of a circle as shown in the figure. I O The B at point O is: (a) (μ₀I/4πr)(1 – π) perpendicularly outward (b) (μ₀I/2πr) perpendicularly inward (
Q19. In Ampere-circuital law, the missing term is: (a) i = ερ dΦ_E / dt (b) i = ε dΦ_E / dt (c) i = 1/ε₀ dΦ_E / dt (d) i = 1/ε dΦ_E / dt
Q21. Choose the correct statement(s) A. In photo electric effect, the minimum negative potential to the plate A for which photocurrent is zero is called saturation potential B. Maximum kinetic energy
Q18. Ao ----> Y Bo ----> Y [Logic circuit symbol for an OR gate] The logic circuit perform the logic function of: (a) AND (b) NAND (c) OR (d) NOR
Q17. Choose the correct relation between drift velocity (vd) and current density (J) from the following: (a) vd = Jne (b) vd = J / (ne) (c) vd = J / (neA) (d) vd = neA / J
Q17. A dentist has a small mirror of focal length 1.6 cm. He observes the cavity in the tooth of a patient by holding the mirror at a distance of 8 mm. from the cavity. The magnification is:
Q20. Match List-I with List-II: List-I (A) Sitar (B) Photocell (C) Battery (D) Loudspeaker List-II (I) Light energy into electric energy (II) Chemical energy into electrical energy (III) Electrical en
Q35. According to Einstein's photoelectric equation, the plot of the Kinetic Energy of the emitted photoelectrons from a metal versus the frequency of the incident radiation gives a straight line whos