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Friday, 9 October

JEE Main 2026 · PhysicsMultiple choiceSingle correctEasyCalculation

JEE Main 4 April 2026, Shift 2, Physics Q32

Question 32 of 75 in this shift, Physics question 7 of 25, Section A.

A water spray gun is attached to a hose of cross sectional area 30 cm230\ \mathrm{cm^2}. The gun comprises of 10 perforations each of cross sectional area of 15 mm215\ \mathrm{mm^2}. If the water flows in the hose with the speed of 50 cm/s, calculate the speed at which the water flows out from each perforation. (Neglect any edge effects)
  1. (1)100 m/s
  2. (2)10 m/sOfficial answer
  3. (3)1000 m/s
  4. (4)15×10215\times10^2 m/s

Official answer

Option 2

NTA final key.

Chapter
Mechanical Properties of Fluids
Topic
Fluid Dynamics
Idea tested
Equation of Continuity

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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 42 of the 174 JEE Main shifts held from 2017 to 2026.