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A TV transmission tower at a particular ...

A TV transmission tower at a particular station has a height of `160 m`. Radius of earth is `6400km`
(`i`) The range it covers is `45255 m`
(`ii`) The population that it covers is `77.42 lakhs`.
When population density is `1200km^(-2)`
(`iii`) The height of antenna should be increased by `480 m` to double the coverage range

A

`i` and `ii` are true

B

`ii` and `iii` are true

C

`i` and `iii` are true

D

`i`, `ii` and `iii` are true

Text Solution

Verified by Experts

The correct Answer is:
D
`d=sqrt(2Rh)`
`"Population"="Population density"xxpid^(2)`
`dalphasqrt(h)`
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