Physics 2024 CUET Previous Year Paper

1. The kinetic energy of an electron at ground level in a hydrogen atom is K units. The values of its potential energy and total energy respectively are______

Fill in the blank with the correct answer from the options given below.

(1)  - 2K; K

(2)  +2K; -K

(3)  -K,+ 2K

(4) +K, +2K

Ans 1

Fill in the blank with the correct answer from the options given below.

Fill in the blank with the correct answer from the options given below.

Fill in the blank with the correct answer from the options given below.
(1) remains unchanged
(4), becomes double
(3) becomes four times
(4) decreases

(A) Pfund series
(B) Balmer series
(C) Brackett series
(B) Balmer serie

The wavelengths arranged correctly in decreasing order are ________
Fill in the blank with the correct answer from the options given below

(1) (A), (B), (C), (D)
(2) (A),(C), (B), (D)
(3) (B), (A), (D), (C)
(4) (A), (C), (D), (B)

6. Silicon can be doped using one of the following

(A) Arsenic
(B) Indium
(C) Phosphorus
(D) Boron

To get n-type semiconductor, the dopants that can be used are _________
Fill in the blank with the correct answer from the options given below.

(1) (A) and (C) only
(2) (B) and (C) only
(3) (A), (B), (C) and (D)
(4) (C) and (D) only

Ans 1

7. Given below are versus 1 graphs for different types of p-n junction diodes marked A, B, C and D A

The correct sequence of graphs corresponding to forward biased p-n junction; Zener diode; Photo diode and Solar cell in order is _______

Fill in the blank with the correct answer from the options given below.
(1) (D), (C), (A), (B)

(2) (A), (C), (B), (D)

(3) (B), (A), (D), (C) 

(4) (C), (B), (D), (A)

Ans 1

8. A wire carrying current I, bent as shown in the figure, is placed in a uniform field B that emerges normally out from the plane of the figure. The force on this wire is _____

Fill in the blank with the correct answer from the options given below.

(1) 4BIR, directed vertically downward

(2) 3BIR, directed vertically upward

(3) BI(2R+πR), vertically downward

(4) 2BIR, from P to Q

Ans 1

9. The refractive index of the material of an equilateral prism is .

The angle of minimum deviation of that prism is__________

Fill in the blank with the correct answer from the options given below.

(1) 60 Degree

(2) 75 Degree

(3) 30 Degree

(4) 90 Degree

Fill in the blank with the correct answer from the option given below.

(1) photons

(2) nuclei

(3) electrons

(4) neutrons

Fill in the blank with the correct answer from the options given below.

(1) 2

(2) 5

(3) 3

(4) 7

Fill in the blank with the correct answer from the options given below. (Take g=10 m/s2 )
(1) 2×10⁻⁶C

(2) 2×10⁻⁵C

(3) 1×10⁻⁵C

(4) 1×10⁻⁶C

Fill in the blank with the correct answer from the options given below.

(1) increases, thermal velocity of the electrons decreases

(2) decreases, thermal velocity of the electrons decreases

(3) increases, thermal velocity of the electrons increases

(4) decreases, thermal velocity of the electrons increases

Choose the correct answer from the options given below.
(1) 9 Ω   

(2) 18 Ω   

(3) 4 Ω     

(4) 4Ω

15. A cell of emf 1.1 V and internal resistance 0.5Ω is connected to a wire of resistance 0.5Ω. Another cell of 

the same emf  connected in series with the intention of increasing the current but the current in the wire remains the same. The internal resistance of the second cell is .

Fill in the blank with the correct answer from the options given below.

(1) 1Ω  

(2) 2.5Ω   

(3) 1.5Ω   

(4) 2Ω

Ans 1

Fill in the blank with the correct answer from the options given below

(1) 14Ω

(2) 12Ω

(3) 15Ω      

(4) 7Ω 

Fill in the blank with the correct answer from the options given below

(1) M/π

(2) M/2

(3) M

(4) 2M/π

Fill in the blank with the correct answer from the options given below

(1) Low permeability and High Hysteresis loss

(2) High permeability and Low Hysteresis loss

(3) High permeability and High Hysteresis loss 

(4) Low permeability and Low Hysteresis los

Fill in the blank with the correct answer from the options given below. 

(1) rx  

(2) rx/2

(3) 2rx

Fill in the blank with the correct answer from the options given below.

(1) 75 V

(2) 150 V

(3) 100 V

(4) 200 V

21. A long solenoid of diameter 0.1 m has 2×10⁴ turns per meter. At the centre of the solenoid a coil of 100 turns and radius 0.01 m is 100 V solenoid reduces at a constant placed with its axis coinciding with the solenoid axis. The current in the total charge flowing through the to 0 A from 4 A in 0.05 s. If the resistance of the coil is 10π^2­Ω, then the Fill in the blank with the comet during this time is .

(1) 16μC

(2) 32μC

(3) 16πμC

(4) 32πμC

Ans 2

object placed in front of the lens? 

(A) No change in image

(B) Image will show only half of the object 

(C) Intensity of image gets reduced

Choose the correct answer from the options given below.

(1) (A) only

(2) (B) only

(3) (C) only

(4) (B) and (C) only

Fill in the blank with the correct answer from

(1) 1 cm

(2) 0.15 cm

(3) 1.5 cm

(4) 0.1 cm

Fill in the blank with the correct answer from the? options given below

(1) 20 cm,1

(2) 1000 cm,1

(3) 1010 cm, 1

(4) 1010 cm, 100

(A) The radius of the orbiting electron is directly proportional to 'n' 

(B) The speed of the orbiting electron is directly proportional to 'l/n'.

(C) The magnitude of the total energy of the orbiting electron is directly proportional to 'l/n2 

(D) The radius of the orbiting electron is directly proportional to 'n2

Choose the correct answer from the options given below.

(1) (A), (B) and (C) only

(2) (A), (B) and (D) only

(3) (A), (B), (C) and (D)

(4) (B), (C) and (D) only

Fill in the blank with the correct answer from the options given below.

(1) 50 Hz

(2) 100 Hz

(3) 25 Hz

(4) 0 Hz

Fill in the blank with the correct answer from the options given below.

(1) F=0,=0

(2) F≠0,=0

(3) F=0,≠0

(4) F ≠0, ≠0

Ans 2

Fill in the blank with the correct answer from the options given below.

Fill in the with the correct answer from the options given below. 

(1) 4d      

(2) 2 d

(3) d        

(4) d/2

31. Two parallel plate capacitors of capacitances 2µF and 3µF are joined in series and the combination is  connected to a battery of V volts. The values of potential across the two capacitors V₁ and V₂ and energy stored in the two capacitors U₁ and U₂ respectively are related as _________
Fill in the blank with the correct answer from the options given below.

Ans 1

32. Two resistances of 100Ω and 200Ω are connected in series across a 20 V battery as shown in figure below. The reading in a 200Ω voltmeter connected  across series across a  200Ω  resistance is

Fill in the blank with the correct answer from the options given below.

(1) 4 I

(2) 20/3 V

(3) 10 V

(4) 16 V

Ans 3

33. The current through a 4/3Ω external resistance connected to a parallel combination of two cells of 2 V and 1 V emf and internal resistances of 1Ω and 2Ω respectively is _______.

Fill in the blank with the correct answer from the options given below. 

(1) 1 A    

(2) 2/3 A    

(3) 3/4 A   

(4) 5/6 A

Ans 4

34. A metallic wire of uniform area of cross section has a resistance R, resistivity p and power rating P at V volts. The wire is uniformly stretched to reduce the radius to half the original radius. The values of resistance, resistivity and power rating at V volts are now denoted by R′,p′ and P′ respectively. The corresponding values are correctly related as __________
Fill in the blank with the correct answer from the options given below.

(1) p′=2,R′=2R,P′=2P
(2) p′=(1/2),R′=(1/2)R,P′=(1/2)P
(3) p′=,R′=16R,P′=(1/16)P
(4) p′=,R′=(1/16)R,P′=16P

Ans 3

35. Three magnetic materials are listed below
(A) paramagnetics
(B) diamagnetic
(C) ferromagnetics

Choose the correct order of the materials in in

(1) (A), (B), (C)

(2) (C), (A), (B)

(3) (B), (A), (C)

(4) (B), (C), (A)

36. Two infinitely long straight parallel conductors carrying currents I1 and I2 are held at a distance d apart in a vacuum. The force F on a length L of one of the  conductors due to the other is _______ .

Fill in the blank with the correct answer from the options given below.

Ans 3

37. In a current 3 I enters at A. The semicircular parts ABC and ADC have equal radi ' r ' but resistances 2R and R respectively. The magnetic field the center of the circular loop ABCD is

Ans 1

38. A square loop with each side 1 cm, carrying a current of 10 A, is placed in a magnetic field of 0.2 T. The direction of the magnetic field is parallel to the plane of the loop. The torque experienced by the loop is _____

Fill in the blank with the correct answer from the options given below.

(1) zero

(2) 2×10⁻⁴Nm

(3) 2×10⁻²Nm

(4) 2Nm

Ans 2

39. In an ac circuit, the current leads the voltage by π/2. The circuit is ________

Fill in the blank with the correct answer from the options given below.

(1) purely resistive 

(2) should have circuit elements with resistance equal to reactance.

(3) purely inductive 

(4) purely capacitive

Ans 4

40. In a pair of adjacent coils, for a change of current in one of the coils from 0 A to 10 A in 0.25 s, the magnetic flux in the adjacent coil changes by 15 Wb. The mutual inductance of the coils is _______

Fill in the blank with the correct answer from the options given below.

(1) 120 H

(2) 12 H    

(3) 1.5 H   

(4) 0.75 H

Ans 3

41. A wire of irregular shape in figure (a) and a circular loop of wire in figure (b) are placed in different uniform magnetic fields as shown in the figures below. In figure (a), the magnetic field is perpendicular into the plane. In figure (b), the magnetic field is perpendicular out of the plane.

The wire in figure (a) is turning into a circular loop and that in figure (b) into a narrow straight wire. The direction of induced current will be _________

Fill in the blank with the correct answer from the options given below.

(1) clockwise in both (a) and (b)

(2) anticlockwise in both (a) and (b)

(3) clockwise in (a) and anticlockwise in (b)

(4) anticlockwise in (a) and clockwise in (b)

Ans 2

42. Match List-I has four graphs showing variation of opposition to flow of ac versus frequency with circuit characteristic in List-II. 

Choose the correct answer from the options given below.

(1) (A) - (I), (B) - (II), (C) - (III), (D) - (IV)

(2) (A) - (IV), (B) - (III), (C) - (II), (D) - (I)

(3) (A) - (I), (B) - (II), (C) - (IV), (D) - (III)

(4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Ans 2

43.  In an electromagnetic wave, the ratio of energy densities of electric and magnetic fields is______

Fill in the blank with the correct answer from the options given below.

(1) 1:1

(2) 1:c

(3) c:1

(4) 1:c²

Ans 1

44. Of the following, the correct arrangement of electromagnetic spectrum in decreasing order of wavelength is ______

Fill in the blank with the correct answer from the options given below. 

(1) Radio waves, X-rays, Infrared waves, microwaves, visible waves 

(2) Infrared waves, microwaves, Radio waves, X-rays, visible waves 

(3) Radio waves, microwaves, Infrared waves, visible waves, X-rays 

(4) X-rays, visible waves, Infrared waves, microwaves, Radio waves

Ans 3

45. Match Electromagnetic waves listed in column I with Production method/device in column II.

The correctly matched combination is as in option: 

(1) (A)-(I), (B) - (II), (C) - (III), (D) - (IV)

(2) (A) - (II), (B) - (III), (C) - (IV), (D) - (I)

(3) (A)-(II), (B) - (I), (C) - (IV), (D) - (III)

(4) (A) - (III), (B) - (IV), (C) - (I), (D) - (II)

Ans 2

46. In the figure given below, APB is a curved surface of radius of curvature 10 cm separating air and a transparent material (μ = 4/3). A point object O is placed in air on the principal axis of the surface 20 cm from P. The distance of the image of O from P will be ______

Fill in the blank with the correct answer from the options given below.

(1) 16 cm left of P in air

(2) 16 cm right of P in water

(3) 20 cm right of P in water

(4) 20 cm left of P in air

Ans 1

47. For fixed values of radii of curvature of lens, power of the lens will be ______

Fill in the blank with the correct answer from the options given below.

(1) P∝(−1)

(2) P∝2

(3) P∝1

(4) P∝−2

Ans 1

48. The graph correctly representing the variation of  image distance ' v '   for a convex lens of focal length ' f ' versus object distance 'u' is __________

Fill in the blank with the correct answer from the options given below.

Ans 2

49. Using light from a monochromatic source to study diffraction in a single slit of width 0.1 mm, the linear width of central maxima is measured to be 5 mm on a screen held 50 cm away. The wavelength of light used is _______

Fill in the blank with the correct answer from the options given below.

(1) 2.5×10⁻⁷ m
(2) 4×10⁻⁷ m
(3) 5×10⁻⁷ m
(4) 7.5×10⁻⁷ m

Ans 3

50. Radiation of frequency 2v0 is incident on a metal with threshold frequency v0. The correct statement of the following is _______

Fill in the blank with the correct answer from the options given below.

(1) No photoelectrons will be emitted

(2) All photoelectrons emitted will have kinetic energy equal to ℎv0

(3) Maximum kinetic energy of photoelectrons emitted can be ℎv0

(4)Maximum kinetic energy of photoelectron emitted will be 2 hv0

Ans 3