JEE Main 2024 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 9 April 2024, Shift 1, Physics Q32

Question 32 of 90 in this shift, Physics question 2 of 30, Section A.

A particle moving in a straight line covers half the distance with speed

6

m/s. The other half is covered in two equal time intervals with speeds

9

m/s and

15

m/s respectively. The average speed of the particle during the motion is :

(1) $10$ m/s
(2) $8$ m/sOfficial answer
(3) $8.8$ m/s
(4) $9.2$ m/s

Official answer

Option 2

NTA final key.

Chapter: Motion in a Straight Line
Topic: Kinematics in 1D
Idea tested: Average Speed Special Cases

Same idea in other shifts

Asked 4× in all

2 Apr 2025, Shift 1 · Q49A person travelling on a straight line moves with a uniform velocity $v_1$ for a distance $x$ and with a uniform velocity $v_2$ for the…EasyNumerical value
10 Apr 2023, Shift 2 · Q40A person travels $x$ distance with velocity $v_1$ and then $x$ distance with velocity $v_2$ in the same direction. The average velocity of…EasySingle correct
30 Jun 2022, Shift 1 · Q51A person starts his journey from centre ‘O’ of the park and comes back to the same position following path OPQO as shown in the figure.…EasyNumerical valueHas a figure

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.