The height of TV tower is 180 m. To what

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Target Exam

CUET

Subject

Physics

Chapter

Communication

Question:

The height of TV tower is 180 m. To what distance the transmission can be made from this tower, if the radius of earth is 6.4 x 10⁶ m ?

Options:

18 km

48 km

90 km

64 km

Correct Answer:

48 km

Explanation:

Coverage range : d = \(\sqrt {2hR }\)

h : height of the antenna

R : radius of earth