Multiple Choice
A layer of ethyl alcohol (n = 1.361) is on top of water (n = 1.333) . To the nearest degree, at what angle relative to the normal to the interface of the two liquids is light totally reflected?
A) 78°
B) 88°
C) 68°
D) 49°
E) the critical angle is undefined
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q27: A layer of water (n = 1.333)
Q28: The index of refraction for red light
Q29: Two flat rectangular mirrors are set edge
Q30: A light ray strikes a hexagonal ice
Q31: Two flat rectangular mirrors are set edge
Q32: An experiment to measure the speed of
Q33: The first successful measurement of the speed
Q35: Two mirrors are at right angles to
Q36: An aquarium contains a 5-cm layer of
Q37: A diver shines an underwater searchlight at