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JEE Main 2022 · 27 Jul · Shift 1, Physics question 50

At a particular station, the TV transmission tower has a height of 100 m. To triple its coverage range, height of the tower should be increased to

Choose one option
Answer and worked solution

Official answer: D

Range d=2hR∝hd=\sqrt{2hR}\propto\sqrt h: tripling it needs 9h=9009h=900 m.

(D)

Topics:Propagation of EM waves
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