JEE Main 2023 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 12 April 2023, Shift 1, Physics Q44

Question 44 of 90 in this shift, Physics question 14 of 30, Section A.

A ball is thrown vertically upward with an initial velocity of 150 m/s. The ratio of velocity after 3 s and 5 s is

\frac{x+1}{x}

. The value of

x

is ______. {take, g = 10 m/s

^2

}

(1)5Official answer
(2)6
(3)10
(4) $-5$

Official answer

Option 1

NTA final key.

Chapter: Motion in a Straight Line
Topic: Kinematics in 1D
Idea tested: Free Fall Sign Conventions

Same idea in other shifts

Asked 10× in all

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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.