JEE Main 2024 Answer Key January 29 (Available): Shift 1, 2 key by coaching institutes

JEE Main 2024 Answer Key January 29: Day 2 of the JEE Main 2024 examination is being held today, January 29, 2024, in two shifts. The first shift was conducted from 9 AM to 12 PM, and the second shift has been concluded at 6 PM. For both shifts, the answer keys has been made available here for checking and for PDF download, along with the respective memory-based question papers. Along with it, the JEE Main 2024 answer key with solutions released by Resonance, Vedantu, and Aakash BYJU will also be uploaded here to help applicants analyze their overall performance in the examination. Do note that the answer key shared here, is unofficial and NTA will release the official provisional answer key after Session 1 concludes.

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JEE Main 2024 January 29 Shift 1, 2 Answer Key by CollegeDekho: Subject-wise

The subject-wise answer keys of JEE Main 29 January 2024 Shift 1 and Shift 2 has been updated here. The candidates can find answers to all the memory-based questions mentioned in the link below. (Check Institute Wise Answer  Key PDF Below)

JEE Main Physics Answer Key 29 January 2024

For Physics, JEE Main 2024 answer key 29 January Shift 1, and 2 has been shared here: 

PDF Links
JEE Main Physics Answer Key PDF 29 January Shift 1
JEE Main Physics Answer Key PDF 29 January Shift 2

JEE Main Physics Answer Key PDF 29 January Shift 2 (Check more answers below)

6. Find the new elongation when A uniform wire has length L and radius r. It is acted on by a force F as shown. The elongation is delta-v l. If F and r are both halved, the new elongation will be (Answer: 2 delta-v l)
7. A and B are two charged particles having charge q each while masses are m1 & m2. Both have the same velocity v and enter into a transverse magnetic field B such that their radii are r₁ & r₂. Then the ratio m₁ : m₂ is (Answer r1/r2)
8. Find the work done If a liquid drop of radius R is divided into 27 identical drops. If the surface tension of the drops is T? (Answer: 8piR²T)
9. The distance between the twice-magnified virtual image of an object placed in front of the mirror is 15 cm. Find the focal length of the spherical mirror in cm. (Answer 10)

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JEE Main Question Paper 2024 Session 1	JEE Main Answer Key Unofficial Session 1

JEE Main Chemistry Answer Key 29 January 2024

For Chemistry, JEE Main 2024 answer key 29 January Shift 1, and 2 has been shared here: 

PDF Links
JEE Main Chemistry Answer Key PDF 29 January Shift 1
JEE Main Chemistry Answer Key PDF 29 January Shift 2 (PDF with more answers will be added soon)

JEE Main Chemistry Answer Key PDF 29 January Shift 2 (Check more answers below)

8. Oxalic acid having 50 ml, 0.5 M react with 25 ml NaOH completely so how much gm of NaOH is present in 50 ml of NaOH solution (Answer 4 gm)
9. Match the following: (Answer: a - iv, b - iii, c - i,  d - ii)
a. Lyman.    i. IR
b. Balmer.    ii. IR
c. Paschen   iii. Visible
d. p-fund.     iv. UV
10. What is the IUPC Name of the K₂MnO₄  (Answer Potassium tetraoxomaganate (VI))

JEE Main Mathematics Answer Key 29 January 2024 

For Mathematics, JEE Main 2024 answer key 29 January Shift 1, and 2 has been shared here: 

PDF Links
JEE Main Mathematics Answer Key PDF 29 January Shift 1
JEE Main Mathematics Answer Key PDF 29 January Shift 2 (PDF with more answers will be added soon)

JEE Main Mathematics Answer Key PDF 29 January Shift 2 (Check more answers below)

5.Distance of (2, 4) from the line 2x + y + 2 = 0 measured parallel to the line root3x+y+2 = 0 is? (Answer: r = 20/root3-1)
6. 8 identical books are to be kept on 4 identical shelves. Find the number of different ways. This can be done. (Answer 15)
7. Let cos (2 sin-1 x) = 1/9, x. 0 holds true for x =m/n, where m & N where m & n are coprime further alpha & Beta are roots of quadratic equation mx2 - nx - m + n = 0 (alpha > Beta) then point (alpha, Beta) lies on the line (Answer 5x + 8y = 9)

JEE Main Answer Key PDF 29 January 2024 by Coaching Institutes 

The subject-wise answer keys from the top JEE Main coaching institutes for Day 2 Shift 1 will be updated as and when available:

JEE Main Vedantu Answer Key 29 January 2024 PDF

JEE Main Resonance Answer Key 29 January 2024 PDF

JEE Main Aakash BYJU’s Answer Key 29 January 2024 PDF

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