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प्रश्न
The area to be covered for T.V telecast is doubled then the height of transmitting antenna (T.V tower) will have to be:-
विकल्प
Halved
Doubled
Quadrupled
Kept unchange
MCQ
उत्तर
Doubled
Explanation:
The transmission zone Surmounting the television tower,
A = `pid^2 = pi(sqrt(2)nR)^2 = pi2hR`
⇒ `A oo h`
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