JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyApplication

JEE Main 13 April 2023, Shift 1, Physics Q35

Question 35 of 90 in this shift, Physics question 5 of 30, Section A.

A bullet of 10 g leaves the barrel of gun with a velocity of 600 m/s. If the barrel of gun is 50 cm long and mass of gun is 3 kg, then value of impulse supplied to the gun will be :

(1)12 Ns
(2)3 Ns
(3)6 NsOfficial answer
(4)36 Ns

Official answer

Option 3

NTA final key.

Chapter: Laws of Motion
Topic: Newton's Laws of Motion
Idea tested: Momentum Formulation (F = dp/dt)

Same idea in other shifts

Asked 7× in all

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26 Jul 2022, Shift 2 · Q33A ball of mass 0.15 kg hits the wall with its initial speed of $12\ \text{ms}^{-1}$ and bounces back without changing its initial speed.…EasySingle correct
28 Jul 2022, Shift 1 · Q34A balloon has mass of 10 g in air. The air escapes from the balloon at a uniform rate with velocity 4.5 cm/s. If the balloon shrinks in 5…MediumSingle correct
4 Aug 2021, Shift 2 · Q18The position time relation of a body of mass 0.02 kg is given by (one-dimensional motion) x = 9 cm (for t = 3, 9, 15, 21s ..........) x =…MediumSingle correct

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.