Learn

Saturday, 31 October

JEE Main 2024 · PhysicsNumerical answerNumerical valueMediumCalculation

JEE Main 1 February 2024, Shift 1, Physics Q53

Question 53 of 90 in this shift, Physics question 23 of 30, Section B.

A plane is in level flight at constant speed and each of its two wings has an area of 40 m2^2. If the speed of the air is 180 km/h over the lower wing surface and 252 km/h over the upper wing surface, the mass of the plane is ________ kg. (Take air density to be 1 kg m−3^{-3} and g = 10 ms−2^{-2})

Official answer

9600

NTA final key.

Chapter
Mechanical Properties of Fluids
Topic
Fluid Dynamics
Idea tested
Dynamic Lift and Magnus Effect

Same idea in other shifts

Asked 2× in all
  1. 29 Jan 2024, Shift 1 · Q53In a test experiment on a model aeroplane in wind tunnel, the flow speeds on the upper and lower surfaces of the wings are…EasyNumerical value

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.