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Saturday, 10 October

JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumCalculation

JEE Main 31 January 2024, Shift 2, Physics Q38

Question 38 of 90 in this shift, Physics question 8 of 30, Section A.

The speed of sound in oxygen at S.T.P. will be approximately: (given, R=8.3 JK−1R=8.3\ \mathrm{JK^{-1}}, γ=1.4\gamma=1.4)
  1. (1)341 m/s
  2. (2)333 m/s
  3. (3)325 m/s
  4. (4)310 m/sOfficial answer

Official answer

Option 4

NTA final key.

Chapter
Waves
Topic
Sound Velocity
Idea tested
Laplace Correction for Sound in Gases

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.