JEE Main 2021PhysicsMotion In Two DimensionsMediumNumerical

JEE Main 2021 — Motion In Two Dimensions Question with Solution

JEE Main 2021 (27 Jul Shift 2)

Question

The water is filled up to a height of 12 m in a tank having vertical sidewalls. A hole is made in one of the walls at a depth h below the water level. The value of h for which the emerging stream of water strikes the ground at the maximum range is _____ m.

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Show full solutionCorrect answer: 6
Correct answer
6

Step-by-step explanation

R=2gh×(12-h)×2 g

4 h(12-h)=R

For maximum R

dRdh=0

⇒h=6 m

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About this question

This is a previous-year question from JEE Main 2021, covering the Motion In Two Dimensions chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.