Question

To double the covering range of a T.V. transmitter tower, its
height should be made
(a) 2 times (b) 4 times
(c) √2 times (d) 8 times

Answer 1

Explanation:

the following situations, identify the agent exerting the force. Also, state

the effect of the force in each case.

(a) Squeezing a piece of lemon between the fingers to extract its juice.

(b) A person diving into a swimming pool.

(c) A labourer moving a loaded cart.

(0) A car coming to rest once its engine is switched

Answer 2

Answer:

b) 4 times

Explanation:

It is in accordance with the relation: Covering Range = √(2hR)

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[where h is height of antenna]

So, h must be made 4 times, to make coverage distance 2 times.