JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 29 July 2022, Shift 2, Physics Q40

Question 40 of 90 in this shift, Physics question 10 of 30, Section A.

\alpha

particle and a proton are accelerated from rest through the same potential difference. The ratio of linear momenta acquired by above two particals will be:

(1) $\sqrt{2}:1$
(2) $2\sqrt{2}:1$ Official answer
(3) $4\sqrt{2}:1$
(4)8:1

Official answer

Option 2

NTA final key.

Chapter: Moving Charges and Magnetism
Topic: Lorentz Force
Idea tested: Radius-Accelerating Voltage Proportionality

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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 108 of the 174 JEE Main shifts held from 2017 to 2026.