JEE Main Shift 2 Answer Key 27 January 2024

JEE Main Shift 2 Answer Key 27 January 2024: The ongoing JEE Main Session 1 2024 examination will conclude on Feb 1, 2024. JEE Main 2024 Jan 27 Shift 2 examination is being conducted today from 3 PM to 6 PM.

Students who attended the Jan 27 Shift 2 exam can check the unofficial JEE Main Shift 2 answer key 27 January 2024 and JEE Main Shift 2 Question Paper Analysis available here to analyse their performance. Students can cross-check their responses and get an early assessment of their performance.

The JEE Main shift 2 paper will held for 300 Marks. There will be 90 questions out of which 75 questions will be mandatory.

Also Read: JEE Main Jan 27 Shift 1 Answer Key 2024

JEE Main Shift 2 Answer Key 27 January 2024

The JEE Main Jan 27 Shift 2 answer key 2024 PDF is available in the table below compiled by Reliable Institute.

 Candidates must remember that the answer key provided above includes recollections from students on Jan 27, 2024 shift 2. The official JEE Main Session 2 Answer Key 2024 will be published shortly after the exams conclude on Feb 1, 2024. National Testing Agency will also make available the master question papers for all shifts along with the answer key. It is recommended to routinely monitor the official NTA website for updates regarding the JEE exam in 2024.

JEE Main Shift 2 Answer Key 27 January 2024: Memory-Based Questions

Candidates who have appeared for the Shift 2 exams can now check some of the questions and asnwers from the paper.

1. For Ist order reaction, time required for 99.9% completion is :
   (1) 2t1/2 (2) 4t1/2 (3) 5t1/2 (4) 10t1/2
   Ans: 10t1/2
2. Number of non polar molecules among following are :
   HF, H2O, CO2, NH3, SO2, H2, CH4, BF3
   Ans: 4
3. Spin only magnetic moment of [Pt(NH3)2Cl(CH3NH2)]Cl is?
   Ans: 0
4. The quantity which changes with temperature is:
   (1) Molarity (2) Molality (3) Mole fraction (4) Mass %
   Ans: Molarity
5. In group 16
   Statement-I : Oxygen shows only –2 oxidation state.
     Statement-II : On moving top to bottom, stability of +4 oxidation state decreases, whereas that of
   +6 oxidation state increases.
   (1) Both Statement I and Statement II are correct.
   (2) Both Statement I and Statement II are incorrect.
   (3) Statement I is correct but Statement II is incorrect.
   (4) Statement I is incorrect but Statement II is correct.
   Ans: Both Statement I and Statement II are incorrect.
   
6. An urn contains 6 black and 9 red balls. Four balls are drawn from the urn twice without
   replacement. The probability that first four balls are black & 2nd four balls are red in colour is:
   (1) 3/765 (2) 6/715 (3) 3/715 (4) 6/615
   Ans: 3/715
7. A line x + y = 0 touches the circle (x – α)2 + (y – β)2 = 50, α, β, > 0. The distance of origin from
   its points of contact is 4 2 . Find α2 + β2.
   Ans: 82
8. Let two sets A and B having ’m’ & ’n’ elements respectively such that difference of the number of
   subsets of A and that of B is 56, then (m, n) is
   Ans: 6,3
9. Assertion: There can be positive zero error in vernier calliper.
   Reason: Due to mishandling or rough handling of instrument
   (1) Assertion true, reason true and reason is correct explanation of assertion
   (2) Assertion true, reason true and reason is not correct explanation of assertion
   (3) Assertion true, reason false
   (4) Assertion false, reason true
   Ans: Assertion true, reason true and reason is correct explanation of assertion
10. A stone is released and while free-fall stone covers 80 m distance in last 2 sec. Find distance of point A
    from top most point.
    Ans: 45
11. A person is standing on horizontal ground. A rod of mass 12 kg is touching a shoulder of person and other
    end is resting on ground. Angle made by rod with horizontal is 60°. Reaction force applied by person on rod
    is?
    Ans: 30 N
12. Assertion: Angular velocity of earth around sun is lesser than the angular velocity of moon about earth.
    Reason: Time taken by moon revolve around earth is less than time taken by earth to revolve around sun.
    (1) Both Assertion (A) and Reason (R) are true & correct explanation of Assertion ’A’
    (2) Both ’A’ and ’R’ are correct but ’R’ is not correct explanation of ’A’
    (3) ’A’ is correct and ’R’ is false
    (4) ’A’ is false and ’R’ is correct
    Ans: Both Assertion (A) and Reason (R) are true & correct explanation of Assertion ’A’

Furthermore, the JEE Main Shift 2 Answer Key 27 January 2024 available is entirely unofficial and might contain a new errors/mistakes. Candidates are advised to use this answer key only for their personal reference.

Candidates can expect the National Testing Agency (NTA) to release the provisional JEE Main Session 1 Asnwer Key 2024 by first week of February 2024.