CUET Questions — Physics — CUET UG

Q40. Which of the following statements are correct? A. The angle at minimum deviation of a prism is greater for violet light than that for red light. B. The purpose of microscopes and telescopes is to

Q40. Which of the following spherical lenses does not exhibit dispersion? The radii of curvature of the surfaces of the lenses are given in diagrams. (a) R1 R2 (b) R C (c) R R (d) R C

Q4. Which of the following scientists has not contributed significantly to photoelectric effect? (a) Wilhelm Hallwacks (b) Philipp Lenard (c) Albert Einstein (d) C.J. Davission

Q24. In a Young double slit experiment, if one of the slits is covered with a black paper then: (a) Fringe width of central maxima decreases (b) Intensity of the central maxima increases (c) Width of

Q34. Choose the correct statements: A. Diamagnetic substances have non zero resultant magnetic moment. B. The magnetisation of a paramagnetic material is inversely proportional to the absolute tempera

Q6. The distance estimation for which ray optics is good approximation for an aperture of 3 mm and wavelength 300 nm would be: (a) 40 m (b) 30 m (c) 20 m (d) 10 m

Q32. The resistance of a potentiometer wire of length 4 m is 10Ω. A resistance box and 2 V accumulator are connected in series with it. What resistance should be introduced in the box to have a potent

Q50. Match List - I with List - II. List - I (A) ∮ B ⋅ ds = 0 (B) Directional properly of freely suspended magnet (C) Never intersect each other (D) Magnetic field of earth List - II (I) magnetic fiel

Q46. P1 and P2 are two polaroids Unpolarised light I P Transmitted light 31 이 8 P2 The intensity of the unpolarised is lo and intensity of the transmitted height is 310. The angle bet-ween axis of P1

Q32. I-V characteristics of solar cell is drawn in the fourth quadrant. The reason is 1 Isc Voc V (a) Solar cells does not draw current and supplies the same to the load. (b) Solar cell draws the curr

Q14. A ray of light passes through an equilateral glass prism in such a manner that the angle of incidence is equal to the angle of emergence and each of these angles is equal to (2)th of the angle of

Q6. The wire loop PQRSP formed by joining two semicircular wires of radii R1 & R2 carries a current I as shown in the fig. The magnitude of magnetic field at the centre 'C' is R2 R SR C (a)(+) (b)(+)

Q27. A parallel plate capacitor with air between the plates has a capacitance of 6pF. What will be the capacitance if the distance between the plates is reduced to half and the space between them is f

Q48. A strong magnetic field is applied on a stationary electron: (a) The electron moves in the direction of the field (b) The electron moves in an opposite direction (c) The electron remains stationa

Q27. What is the approximate earth's dipole moment, if the earth's magnetic field at the Equator is approximately 0.5 G and diameter is 15.0 × 10⁶m? (a) 5.9 x 108 Am² (b) 6.5 x 1030 Am² (c) 2.1 x 1023

Q34. The least distance of distinct vision of a person is 50 cm. He wants to read a book placed at 25 cm. The focal length of the spectacles would be: (a) + 25 cm (b) - 25 cm (c) + 50 cm (d) - 50 cm

Q41. Light of uniform intensity shines perpendicularly on a totally absorbing surface, fully illuminating the surface. If the area of the surface is decreased, what is the effect on radiation pressure

Q13. The amplitude of the magnetic field of a harmonic electromagnetic wave in vacuum is B₀ = 610 nT. The amplitude of the electric field of the wave is:

Q9. Which of the following option is correct by using Coulomb's law. (a) (if the product of 9192 is positive) F21 F12 1 92 (b) (if the product of 9192 is negative) F12 F21 91 92 (c) (if the product of

Q50. Displacement current (ia) = wodΦε / dt Where symbols have their usual meanings. Which of the following options gives correct equation for displacement current? (a) id = ω₀ d(BA)/dt (b) id = Aω₀ d