Q. 62

Expert-verified
Found in: Page 904

### Physics for Scientists and Engineers: A Strategic Approach with Modern Physics

Book edition 4th
Author(s) Randall D. Knight
Pages 1240 pages
ISBN 9780133942651

# The radar system at an airport broadcasts microwaves with of power. An approaching airplane with a cross section is away. Assume that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly in all directions. What is the electric field strength of the microwave signal received back at the airport later?

The electric field strength of the microwave signal received back at the airport later,

See the step by step solution

## Step 2: Find the facility density which is received

The Electromagnetic wave's power flux volume was determined by:

Then we have got,

The intensity of power in airplane,

Power reflected was shown as,

The receiving power density was

## Step 3: Find the electrical strength

Then, we calculate