JEE Main 2023 Question Paper & Answers
The official JEE Main 2023 question papers, with the official answer key. Attempt as a real timed exam (with negative marking) or switch to practice mode for instant per-question answers and explanations.
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Official PYQ
JEE Main 2023 - February 1 Shift 1
180 Mins 300 Marks
75Questions
300Max Marks
Sample questions from JEE Main 2023 - February 1 Shift 1
1A child stands on the edge of a cliff 10 m above the ground and throws a stone horizontally with an initial speed of 5 ms. Neglecting air resistance, the speed with which the stone hits the ground will be ___ ms (given, g = 10 ms).
- A) 15
- B) 20
- C) 30
- D) 25
Answer: A
2Let be the uniform surface charge density of two infinite thin plane sheets shown in the figure (one carrying , the other , placed parallel to each other). Then the electric fields in the three different regions (left of both sheets), (between the sheets) and (right of both sheets) are:
- A)
- B)
- C)
- D)
Answer: B
3A mercury drop of radius m is broken into 125 equal-sized droplets. Surface tension of mercury is 0.45 Nm. The gain in surface energy is:
- A) J
- B) J
- C) J
- D) J
Answer: D
4If earth has a mass nine times and radius twice that of a planet P, then the minimum velocity required by a rocket to pull out of the gravitational field of P is , where is the escape velocity on earth. The value of is:
- A) 8
- B) 3
- C) 18
- D) 2
Answer: D
5One mole of an ideal gas at initial temperature undergoes a quasi-static, reversible adiabatic expansion in which its volume becomes twice its initial value. If is the ratio of specific heats, the work done by the gas in the process is (a form of):
- A)
- B)
- C)
- D)
Answer: B
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Official PYQ
JEE Main 2023 - February 1 Shift 2
180 Mins 276 Marks
69Questions
276Max Marks
Sample questions from JEE Main 2023 - February 1 Shift 2
1
- A)
- B)
- C)
- D)
Answer: A
2Given below are two statements : One is labelled as Assertion A and the other is labelled as Reason R. Assertion A : For measuring the potential difference across a resistance of 600Ω, the voltmeter with resistance 1000Ω will be preferred over voltmeter with resistance 4000Ω. Reason R : Voltmeter with higher resistance will draw smaller current than voltmeter with lower resistance. In the light of the above statements, choose the most appropriate answer from the options given below.
- A) Both 𝐀 and 𝐑 are correct and 𝐑 is the correct explanation of 𝐀
- B) Both 𝐀 and 𝐑 are correct but 𝐑 is not the correct explanation of 𝐀
- C) 𝐀 is not correct but 𝐑 is correct
- D) 𝐀 is correct but 𝐑 is not correct
Answer: C
3
- A)
- B)
- C)
- D)
Answer: B
4
- A)
- B)
- C)
- D)
Answer: A
5The ratio of average electric energy density and total average energy density of electromagnetic wave is :
- A)
- B)
- C)
- D)
Answer: B
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Official PYQ
JEE Main 2023 - January 24 Shift 1
180 Mins 300 Marks
75Questions
300Max Marks
Sample questions from JEE Main 2023 - January 24 Shift 1
1A circular loop of radius is carrying current A. The ratio of magnetic field at the center of the circular loop and at a distance from the center of the loop on its axis is:
- A)
- B)
- C)
- D)
Answer: A
2The weight of a body at the surface of earth is 18 N. The weight of the body at an altitude of 3200 km above the earth's surface is (given, radius of earth km):
- A) 8 N
- B) 4.9 N
- C) 9.8 N
- D) 19.6 N
Answer: A
3Two long straight wires P and Q carrying equal current 10 A each were kept parallel to each other at 5 cm distance. Magnitude of magnetic force experienced by 10 cm length of wire P is . If the distance between wires is halved and the currents on them are doubled, the force on 10 cm length of wire P will be:
- A)
- B)
- C)
- D)
Answer: B
4Given below are two statements:
Statement I: The temperature of a gas is . When the gas is heated to , the root mean square speed of the molecules is doubled.
Statement II: The product of pressure and volume of an ideal gas will be equal to the translational kinetic energy of the molecules.
In the light of the above statements, choose the correct answer from the options given below:
- A) Statement I is false but Statement II is true
- B) Both Statement I and Statement II are false
- C) Statement I is true but Statement II is false
- D) Both Statement I and Statement II are true
Answer: C
5The maximum vertical height to which a man can throw a ball is 136 m. The maximum horizontal distance upto which he can throw the same ball is:
- A) 272 m
- B) 68 m
- C) 192 m
- D) 136 m
Answer: A
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Official PYQ
JEE Main 2023 - January 24 Shift 2
180 Mins 300 Marks
75Questions
300Max Marks
Sample questions from JEE Main 2023 - January 24 Shift 2
1Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: A pendulum clock when taken to Mount Everest becomes fast.
Reason R: The value of g (acceleration due to gravity) is less at Mount Everest than its value on the surface of earth.
In the light of the above statements, choose the most appropriate answer from the options given below:
- A) Both A and R are correct but R is NOT the correct explanation of A
- B) A is correct but R is not correct
- C) Both A and R are correct and R is the correct explanation of A
- D) A is not correct but R is correct
Answer: D
2The frequency (v) of an oscillating liquid drop may depend upon radius (r) of the drop, density () of the liquid and the surface tension (s) of the liquid as . The values of a, b and c respectively are:
- A)
- B)
- C)
- D)
Answer: C
3Given below are two statements:
Statement I: Acceleration due to earth's gravity decreases as you go 'up' or 'down' from earth's surface.
Statement II: Acceleration due to earth's gravity is the same at a height 'h' and depth 'd' from earth's surface, if .
In the light of the above statements, choose the most appropriate answer from the options given below:
- A) Both Statement I and Statement II are incorrect
- B) Statement I is incorrect but Statement II is correct
- C) Both Statement I and Statement II are correct
- D) Statement I is correct but Statement II is incorrect
Answer: D
4A long solenoid is formed by winding 70 turns cm. If a 2.0 A current flows, then the magnetic field produced inside the solenoid is ( Tm/A):
- A) T
- B) T
- C) T
- D) T
Answer: C
5The electric potential at the centre of two concentric half rings of radii and , having the same linear charge density , is:
- A)
- B)
- C)
- D)
Answer: A
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Official PYQ
JEE Main 2023 - January 25 Shift 1
180 Mins 300 Marks
75Questions
300Max Marks
Sample questions from JEE Main 2023 - January 25 Shift 1
1
- A)
- B)
- C)
- D)
Answer: B
2
- A)
- B)
- C)
- D)
Answer: C
3The root mean square velocity of molecules of gas is
- A)
- B)
- C)
- D)
Answer: D
4Match List I with List II Choose the correct answer from the options given below :
- A) A-III, B-I, C-IV, D-II
- B) A-I, B-III, C-IV, D-II
- C) A-III, B-IV, C-I, D-II
- D) A-II, B-I, C-IV, D-III
Answer: A
5A message signal of frequency 5kHz is used to modulate a carrier signal of frequency 2MHz. The bandwidth for amplitude modulation is:
- A) 20 kHz
- B) 5kHz
- C) 10kHz
- D) 2.5kHz
Answer: C
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Official PYQ
JEE Main 2023 - January 29 Shift 1
180 Mins 296 Marks
74Questions
296Max Marks
Sample questions from JEE Main 2023 - January 29 Shift 1
1
- A)
- B)
- C)
- D)
Answer: D
2The threshold wavelength for photoelectric emission from a material is 5500A. Photoelectrons will be emitted, when this material is illuminated with monochromatic radiation from a (A) 75 W infra –red lamp (B) 10 W infra-red lamp (C) 75 W ultra – violet lamp (D) 10 W ultra-violet lamp Choose the correct answer from the options given below:
- A) B and C only
- B) A and D only
- C) C only
- D) C and D Only
Answer: D
3
- A)
- B)
- C)
- D)
Answer: C
4
- A)
- B)
- C)
- D)
Answer: B
5
- A)
- B)
- C)
- D)
Answer: A
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Official PYQ
JEE Main 2023 - January 30 Shift 1
180 Mins 292 Marks
73Questions
292Max Marks
Sample questions from JEE Main 2023 - January 30 Shift 1
1
- A)
- B)
- C)
- D)
Answer: C
2
- A)
- B)
- C)
- D)
Answer: A
3
- A)
- B)
- C)
- D)
Answer: C
4A person has been using spectacles of power −1.0 dioptre for distant vision and a separate reading glass of power 2.0 dioptres. What is the least distance of distinct vision for this person :
- A) 40 cm
- B) 30 cm
- C) 10 cm
- D) 50 cm
Answer: D
5
- A)
- B)
- C)
- D)
Answer: B
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Official PYQ
JEE Main 2023 - January 30 Shift 2
180 Mins 288 Marks
72Questions
288Max Marks
Sample questions from JEE Main 2023 - January 30 Shift 2
1
- A)
- B)
- C)
- D)
Answer: C
2
- A)
- B)
- C)
- D)
Answer: C
3
- A)
- B)
- C)
- D)
Answer: B
4
- A)
- B)
- C)
- D)
Answer: D
5A vehicle travels 4 km with speed of 3 km/h and another 4 km with sped of 5 km/h, then its average speed is
- A) 3.50 km/h
- B) 4.25 km/h
- C) 4.00 km/h
- D) 3.75 km/h
Answer: D
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Official PYQ
JEE Main 2023 - January 31 Shift 2
180 Mins 300 Marks
75Questions
300Max Marks
Sample questions from JEE Main 2023 - January 31 Shift 2
1SECTION - A Given below are two statements: Statement I: In a typical transistor, all three regions emitter, base and collector have same doping level. Statement II: In a transistor, collector is the thickest and base is the thinnest segment. In the light of the above statements, choose the most appropriate answer from the options given below.
- A) Both Statement I and Statement II are correct
- B) Statement I is incorrect but Statement II is correct
- C) Statement I is correct but Statement II is incorrect
- D) Both Statement I and Statement II are incorrect
Answer: B
2If the two metals 𝐴 and 𝐵 are exposed to radiation of wavelength 350 nm. The work functions of metals A and B are 4.8eV and 2.2eV. Then choose the correct option.
- A) Both metals A and B will emit photo-electrons
- B) Metal 𝐴 will not emit photo-electrons
- C) Metal B will not emit photo-electrons
- D) Both metals A and B will not emit photo-electrons
Answer: B
3Heat energy of 735 J is given to a diatomic gas allowing the gas to expand at constant pressure. Each gas molecule rotates around an internal axis but do not oscillate. The increase in the internal energy of the gas will be :
- A) 525 J
- B) 441 J
- C) 572 J
- D) 735 J
Answer: A
4
- A)
- B)
- C)
- D)
Answer: A
5A stone of mass 1 kg is tied to end of a massless string of length 1 m. If the breaking tension of the string is 400 N, then maximum linear velocity, the stone can have without breaking the string, while rotating in horizontal plane, is :
- A)
- B)
- C)
- D)
Answer: C
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