Question

In: Physics

PLEASE ANSWER THIS QUESTION WITH THESE VALUES NOT ONE YOU ANSWERED WITH DIFFERENT VALUES!!! THANKS A...

PLEASE ANSWER THIS QUESTION WITH THESE VALUES NOT ONE YOU ANSWERED WITH DIFFERENT VALUES!!! THANKS

A radio broadcast antenna is 36.00 km from your house. Suppose an airplane is flying 2.200km above the line connecting the broadcast antenna and your radio, and that waves reflected from the airplane travel 85.00 wavelengths farther than waves that travel directly from the antenna to your house.

Part A

Do you observe constructive or destructive interference between the direct and reflected waves? (Hint: Does a phase change occur when the waves are reflected?)

Part B

The situation just described occurs when the plane is above a point on the ground that is two-thirds of the way from the antenna to your house. What is the wavelength of the radio waves? answer should be in m

Expert Solution

I have solved this question earlier with different figures. Please workout using yours figures. If you need any further help just PM me. If I have helped you please rate me 5 stars first (before you rate anyone else)

A radio broadcast antenna is 36 km from your house. Suppose an airplane is
flying at a height of 2.23 km above the horizontal line connecting the broadcast antenna to and your radio, and that waves reflected from the airplane travel 88 wavelengths farther to reach your radio than waves that travel directly from the antenna to your house.
The situation just described occurs when the plane is above a point on the ground that is
two thirds of the the way from the antenna to your house. What is the wavelength of the radio waves?
The answer should be 3.5m but I don't know how to get it.

Ans

see the condition given is the extra path travelled would be the path followed by the reflected light from plane - direct insident wave
for two right angle triangles are formed.

first give24.10KM

Second give=12.20KM

Sum=36.30KM

Path differnce=36.30-36

path difference=300m

88*lambda=300

3.48m=lambda

genius_generous answered 1 year ago

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