CUET Questions — Physics
362 solved questions with detailed explanations
Q46. In a double slit experiment, the distance between slits is increased 10 times whereas their distance from screen is halved, then what is the fringe width? (a) it remains same (b) become 1/5 (c) b
Q36. In terms of Bohr radius a₀, the radius of 2nd Bohr orbit of Hydrogen is: (a) 4a₀ (b) 8a₀ (c) √2a₀ (d) 2a₀
Q42. A plane electromagnetic wave of frequency 50 MHz travels in free space along the x-direction. At a particular point in space and time E = 9.3 jVm-1. What is B at this point? (a) (3.1 × 10-8k)T (b
Q32. Frequencies in the UHF range normally propagate by means of: (a) Ground waves (b) Sky waves (c) Surface waves (d) Space waves
Q21. Monochromatic light of frequency 6x10¹⁴ Hz is produced by a laser source. The energy of photon of light is: (a) 3.98x 10⁻¹⁹ J (b) 39.8x 10⁻¹⁹ J (c) 1.12x 10⁻²⁰ J (d) 2.24x 10⁻²⁰J
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
Q22. Four lenses of focal length +5 cm and ±200 cm are available for making a telescope. To produce the largest magnification for making a telescope with the help of these lenses, the focal length of
Q49. A bar magnet of magnetic moment 3J/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 d
Q27. Which quantity is increased in a step-down transformer?
Q37. A point charge q moves from point A to point D along the path ABCD (as shown) in a uniform electric field E pointing parallel to negative direction of X-axis. The co-ordinates of A, B, C, D are (