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Saturday, 31 October

JEE Main 2023 · PhysicsMultiple choiceSingle correctMediumCalculation

JEE Main 8 April 2023, Shift 1, Physics Q41

Question 41 of 90 in this shift, Physics question 11 of 30, Section A.

A TV transmitting antenna is 98 m98\ \mathrm{m} high and the receiving antenna is at the ground level. If the radius of the earth is 6400 km6400\ \mathrm{km}, the surface area covered by the transmitting antenna is approximately:
  1. (1)4868 km24868\ \mathrm{km^2}
  2. (2)1549 km21549\ \mathrm{km^2}
  3. (3)3942 km23942\ \mathrm{km^2}Official answer
  4. (4)1240 km21240\ \mathrm{km^2}

Official answer

Option 3

NTA final key.

Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

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.