JEE Main 2014 — Heights and Distances Question with Solution
JEE Main 2014 (11 Apr Online)
Question
The angle of elevation of the top of a vertical tower from a point on the horizontal ground was observed to be . After moving a distance 2 metres from towards the foot of the tower, the angle of elevation changes to . Then the height (in metres) of the tower is:
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Given : In or Now, In Putting the value of in eq. (2) to eq. (1), we get
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This is a previous-year question from JEE Main 2014, covering the Heights and Distances chapter of Mathematics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.