An observer  `1.5 m` tall is 30 m away from a chimney. The angle  of elevation of the
Channel: Doubtnut
Date: 2020-04-12

An observer  `1.5 m` tall is 30 m away from a chimney. The angle  of elevation of the top of the  chimney from his eye  is `60^(@)` . Find the height of the chimney.