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Friday, 9 October

JEE Main 2026 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 6 April 2026, Shift 1, Physics Q26

Question 26 of 75 in this shift, Physics question 1 of 25, Section A.

The density ρ\rho of a uniform cylinder is determined by measuring its mass mm, length ll and diameter dd. The measured values of mm, ll and dd are 97.42±0.0297.42\pm0.02 g, 8.35±0.058.35\pm0.05 mm and 20.20±0.0220.20\pm0.02 mm, respectively. Calculated percentage fractional error in ρ\rho is ________.
  1. (1)0.63%
  2. (2)0.82%Official answer
  3. (3)0.72%
  4. (4)0.25%

Official answer

Option 2

NTA final key.

Topic
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Idea tested
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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.