JEE Main 2022 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 28 July 2022, Shift 2, Physics Q3

Question 3 of 90 in this shift, Physics question 3 of 30, Section A.

A pressure-pump has a horizontal tube of cross sectional area

10\ \mathrm{cm^2}

for the outflow of water at a speed of 20 m/s. The force exerted on the vertical wall just in front of the tube which stops water horizontally flowing out of the tube, is : [given: density of water =

1000\ \mathrm{kg/m^3}

]

(1)300 N
(2)500 N
(3)250 N
(4)400 NOfficial answer

Official answer

Option 4

NTA final key.

Chapter: Mechanical Properties of Fluids
Topic: Fluid Dynamics
Idea tested: Force Exerted by a Fluid Jet

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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.