CUET QuestionsPhysicsCUET UG

362 solved questions with detailed explanations

341

Q15. The graph between resistivity and temperature given below can be for the material P T (a) Copper (b) Nichrome (c) Manganin (d) Semiconductors

CUET UGPhysics
342

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

CUET UGPhysics
343

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

CUET UGPhysics
344

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

CUET UGPhysics
345

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

CUET UGPhysics
346

Q50. Two lenses of power 3D and -1D are kept in contact. The focal length of the combined lens would be:

CUET UGPhysics
347

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

CUET UGPhysics
348

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:

CUET UGPhysics
349

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

CUET UGPhysics
350

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

CUET UGPhysics
351

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

CUET UGPhysics
352

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

CUET UGPhysics
353

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 (

CUET UGPhysics
354

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

CUET UGPhysics
355

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

CUET UGPhysics
356

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

CUET UGPhysics
357

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

CUET UGPhysics
358

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:

CUET UGPhysics
359

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

CUET UGPhysics
360

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

CUET UGPhysics