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Question:

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

  1. $\frac{1}{\sqrt{2}}$

  2. 2

  3. 4

  4. $\sqrt{2}$

Correct Option: 3

JEE Main Previous Year 1 Question of JEE Main from Physics Communication Systems chapter.
JEE Main Previous Year 12 Jan 2019 II

Solution:

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