The area of Television telecast is made twice, the height of antenna will be changed as:

Television : Telecast : : Radio : ?

The area to be covered for TV telecast is doubled. Then the height of the transmitting antenna will have to be

(A) : The area to be covered for T.V. telecast is doubled, then the height of trans - mitting antenna will have to be doubled (R) : For T.V. signal propulation covered is equal to product of population density abd area covered

The height of antenna used in communication is

If the area to be covered for TV telecast is doubles then height of transmitting antenna (TV tower) will have to be:

If the area to be covered for TV telecast is doubles then height of transmitting antenna (TV tower) will have to be:

The curved surface area of one cone is twice that of the other while the slant height of the latter is twice that of the former. The ratio of their radii is