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Friday, 9 October

JEE Main 2024 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 9 April 2024, Shift 1, Physics Q51

Question 51 of 90 in this shift, Physics question 21 of 30, Section B.

If a⃗\vec{a} and b⃗\vec{b} makes an angle cos⁡−1(59)\cos^{-1}\left(\frac{5}{9}\right) with each other, then ∣a⃗+b⃗∣=2 ∣a⃗−b⃗∣|\vec{a}+\vec{b}|=\sqrt{2}\,|\vec{a}-\vec{b}| for ∣a⃗∣=n∣b⃗∣|\vec{a}|=n|\vec{b}|. The integer value of n is ________.

Official answer

3

NTA final key.

Chapter
Motion in a Plane
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.