Home
Class 12
PHYSICS
The height of a T. V. tower is 75 m. If ...

The height of a T. V. tower is 75 m. If we want to double its coverage range, then the height of the T. V. tower should be

A

150 m

B

300 m

C

200 m

D

500 m

Text Solution

Verified by Experts

The correct Answer is:
B
`d=sqrt(2Rh) therefore d prop sqrth`
`d_2/d_1=sqrt(h_2/h_1)`
`therefore h_2/h_1=(d_2/d_1)^2=4`
`therefore h_2`=75 x 4 = 300 m
Promotional Banner

Topper's Solved these Questions

  • COMMUNICATION SYSTEMS

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP -20|10 Videos

  • CIRCULAR MOTION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP-20|1 Videos

  • CURRENT ELECTRICITY

    MARVEL PUBLICATION|Exercise MCQ|151 Videos

Similar Questions

Explore conceptually related problems

A stone is dropped from the top of a tower and travels 24.5 m in the last second of its journey. The height of the tower is

A stone from the top of a tower, travels 35 m in the last second of its journey. The height of the tower is

A T.V. Tower has a height 100m. In order to triple its coverage range, the height of tower to be increased is axx10^(2) m. What is the integer value of a ?

A TV transmission tower has a height of 160 m. its coverage range is

To double the covering range of a TV transimitter tower, its height should be made

A ball is thrown upwards with speed ‘v’ from the top of a tower and it reaches the ground with a speed 3v, then the height of the tower is

The angle of elevation of the top of a tower from the bottom of a building is twice that from its top. What is the height of the building, if the height of the tower is 75 m and the angle of elevation of the top of the tower from the bottom of the building is 60^@ ?