A wave is traveling with a velocity of 300 m/s and strikes a surface at an angle of 30.0 degrees with the normal to the surface. The wave splits into a reflected part and a refracted part. The refracted wave travels with a velocity of 400 m/s. What is the angle of refraction?
A. 20.5 degrees
B. 25.9 degrees
C. 30.5 degrees
D. 41.8 degrees
E. 50.3 degrees
D. 41.8 degrees
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Indicate whether the statement is true or false
An object of mass m is suspended by two coplanar wires, as shown below. The tension in each wire has a magnitude given by
A.
.B.
.C.
.D.
E.
.Light is refracted through a diamond. If the angle of incidence is 30°, and the angle of refraction is 12°, what is the index of refraction?
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