Light in a Frozen Block of Ice Reflects Off the Ice-Air

question 121

Multiple Choice

Light in a frozen block of ice reflects off the ice-air interface at the surface of the block. What phase shift does it undergo?

• A) \(270 ^ { \circ }\)
• B) \(0 ^ { \circ }\)
• C) \(180 ^ { \circ }\)
• D) \(90 ^ { \circ }\)
• E) It does not undergo any phase shift.

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