QJEEM19Phb383: JEE Main 2019 Physics - Class 12 JEEM19Phb383 Solution: To double the covering range of a TV transmittion tower, its…

Question

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To double the covering range of a TV transmittion tower, its height should be multiplied by :

Accepted Answer

Range of TV transmitting tower $d = \sqrt{2 h R}$ where, h is the height of the transmission tower. When range is doubled,

$∴$ $2 d = 2 \sqrt{2 h R} = \sqrt{2 (4 h) R}$

So, height must be multiplied with 4.

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