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Describe the locus of points at distance...

Describe the locus of points at distances greater than 4 cm from a given point.

A

the receiver antenna is unable to detect the signal at a distance greater then 100 km

B

the TV programme consists of both audio and video signals

C

Te TV signals are less powerful than radio signals

D

the surface of earth is curved like a sphere

Text Solution

Verified by Experts

The correct Answer is:
D
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