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Astronomers observe a 60.0-MHz radio source both directly and by reflection from the sea as shown. If the receiving dish is 20.0 m above sea level, what is the angle of the radio source above the horizon at first maximum?
Transcribed Image Text:Direct
Radio
path
telescope
Reflected
path
Figure P36.45
Expert Solution
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Step 1
Given:
The diagrammatic representation of the sea is shown as,
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Step 2
The wave's wave length is calculated as,
Substitute the given value of f=60 MHz is given as
The distance is defined as,
Then,
(or)
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Step 3
The path difference is shown as,
Substitute as,
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