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Saturday, 31 October

JEE Main 2020 · MathsMultiple choiceSingle correctMediumMulti-step

JEE Main 4 September 2020, Shift 2, Maths Q69

Question 69 of 75 in this shift, Maths question 19 of 25.

The angle of elevation of a cloud C from a point P, 200 m above a still lake is 30∘30^\circ. If the angle of depression of the image of C in the lake from the point P is 60∘60^\circ, then PC (in m) is equal to :
  1. (1)100100
  2. (2)2003200\sqrt{3}
  3. (3)400400Official answer
  4. (4)4003400\sqrt{3}

Official answer

Option 3

NTA final key (Sep 2020).

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.