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Saturday, 31 October

JEE Main 2024 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 4 April 2024, Shift 2, Physics Q57

Question 57 of 90 in this shift, Physics question 27 of 30, Section B.

Mercury is filled in a tube of radius 2 cmcm up to a height of 30 cmcm. The force exerted by mercury on the bottom of the tube is ______ NN. (Given, atmospheric pressure = 10510^5 Nm−2Nm^{-2} , density of mercury = 1.36×1041.36\times10^4 kg m−3kg\,m^{-3}, g = 10 m s−2m\,s^{-2}, π=227\pi = \frac{22}{7})

Official answer

177

NTA final key.

Same idea in other shifts

Asked 2× in all
  1. 8 Apr 2023, Shift 1 · Q32An air bubble of volume 1 cm31\ \mathrm{cm^3} rises from the bottom of a lake 40 m40\ \mathrm{m} deep to the surface at a temperature of…MediumSingle correct

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.