Radio waves from a star, of wavelength 150 m, reach a radio telescope by two separate paths, as shownin the figure below (not drawn to scale). One is a direct path to the receiver, which is situated on theedge of a cliff by the ocean. The second is by reflection off the water. The first minimum of destructiveinterference occurs when the star is 8-30.0° above the horizon. Find the height of the cliff. (Assume nophase change on reflection. The image is not drawn to scale; assume that the height of the radiotelescope is negligible compare to the height of the cliff.)EDirectpathReflectedpathRadiotelescope(Ctrl)

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Answered: Radio waves from a star, of wavelength…

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