CUET Questions — Physics

Q3. Match List - I with List - II. List - I (A) Contracting of Eye ball (B) Controls the shape of eye lens (C) Elongation of eye ball (D) Control the light entering in eyes List - II (I) Myopia (II) C

Q33. Which of the following is not an EM wave? (a) X-rays (b) Gamma rays (c) Microwaves (d) Cathode rays

Q37. If a match box of size 5 cm x 4 cm x 1 cm is filled with nuclear matter, what will be its expected mass? The density of the nuclear matter is approximately 2.3 × 10¹⁷ kg m⁻³. (a) 4.6 x 10¹² mg (b

Q7. Which of the following circuits cannot be used to measure the resistance of resistor R? (a) A R V (b) A wwwwwwww R (c) A R wwwwwww V (d) wwwwww R A

Q22. A semiconductor device is connected in series circuit with a battery and resistance. A current is found to pass through the circuit. If the polarity of the battery is reversed, the current chops

Q18. The half-life of a radioactive substance is 10 days. How many days will it take to disintegrate 3/4 of its initial value? (a) 5 days (b) 10 days (c) 20 days (d) 15 days

Q11. Match List - I with List - II. LIST - I (A) Purely resistive AC circuit (B) Purely inductive or capacitive AC circuit (C) LCR series AC circuit (D) Power dissipated at resonance in LCR series cir

Q36. When a ray of light enters a glass slab from air: (a) its wavelength decreases (b) its wavelength increases (c) its frequency increases (d) neither its wavelength nor its frequency changes

Q22. An a.c. source of 200 V is connected through a diode 'D' to a capacitor as shown in figure. Find the maximum potential difference across the capacitor: (a) 100 V (b) 200 V (c) 283 V (d) 310 V

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

Q42. Young's double slit experiment is performed using a source of white light. A. The center fringe will be white. B. The fringe next to the center fringe will be violet. C. The fringe next to the ce

Who among the following discovered that when light traverses a transparent material, some of the light that is deflected changes in wavelength?

Q12. Match List - I with List - II. List - I (A) The current lags behind the emf by π/4 in phase (B) The e.m.f. lags behind the current by π/4 in phase (C) The current lags behind the e.m.f. in phase

Q23. In the circuit shown below, the potential difference between A and B is: [Diagram shows a series arrangement of three branches: A-C with 1Ω resistor and 1V source, C-D with 1Ω resistor and 2V sou

Q39. An electron moves around the nucleus in a hydrogen atom of radius 0.05 nm with a velocity of 2 x 10⁶ m s⁻¹. The magnetic field produced at the center of nucleus is: (a) 0.128 T (b) 6.4 T (c) 128

Q47. A tiny spherical oil drop of mass 8 mg is kept suspended by applying a potential difference of 100 V between two metallic plates kept separated by a distance 1 cm. The number of electrons on the

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

Q39. We can reduce eddy currents in the core of transformer by: (a) increasing the number of turns in the secondary coil (b) taking laminated core (c) making step down transformer (d) using a weak AC

Q27. Heavy water and ___________ is one of the substances used as moderator in reactors. (a) Sea water (b) Titanium (c) Graphite (d) Cobalt

Q32. Frequencies in the UHF range normally propagate by means of: (a) Ground waves (b) Sky waves (c) Surface waves (d) Space waves