For a system with a wavelength of 23.5 cm and a depression angle of si – McqOptions

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1.	For a system with a wavelength of 23.5 cm and a depression angle of sin-1 0.94, the surface relief below which the surface will appear smooth is determined as limited nearly to
A.	2.8 cm
B.	3.1 cm
C.	3.5 cm
D.	4.0 cm
Answer» C. 3.5 cm

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