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
You might also like to view...
An LR circuit contains an ideal 60-V battery, a 42-H inductor having no resistance, a 24-? resistor, and a switch S, all in series
Initially, the switch is open and has been open for a very long time. At time t = 0 s, the switch is suddenly closed. How long after closing the switch will the potential difference across the inductor be 24 V? A) 1.6 s B) 1.4 s C) 1.8 s D) 1.9 s E) 2.1 s
We have direct evidence from ALMA that supports nebular theory
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?
a. 1.3 b. 2.4 c. 2.6 d. 1.8 e. 0.4