In communication with help of antenna if height is doubled then the range covered which gas initially r would become

In communication with help of antenna if height is doubled, then the range covered w which was initially r would become

What does the term LOS communication mean? Name the types of waves that are used for this communication. Which of the two height of transmitting antenna and height of receiving antenna can effect the range over which this mode of communication remains effective?

Assertion: When the height of a TV transmission tower is increased by three times. The range covered is doubled. Reason: The range covered is proportional to the height of the TV transmission tower.

Assertion: When the height of a TV transmission tower is increased by three times. The range covered is doubled. Reason: The range covered is proportional to the height of the TV transmission tower.

Assertion: When the height of a TV transmission tower is increased by three times. The range covered is doubled. Reason: The range covered is proportional to the height of the TV transmission tower.

For a given angle of projection, if the initial velocity of a projectile is doubled, then its horizontal range will become ____ times the original horizontal range. ____.