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

question 98

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)0°
• B)90°
• C)180°
• D)270°
• E)It does not undergo any phase shift.

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Definitions:

Elitist

Pertaining to or reflective of the belief that a society or system should be led by an elite group of individuals.

Anti-democratic

Referring to principles, actions, or ideologies that oppose democracy, which is a system of government where power is vested in the hands of the people, often through elected representatives.

Elitist

Pertaining to a belief or attitude that a select group of people with a certain ancestry, intrinsic quality, high intellect, wealth, or who have specific, desirable affiliations are entitled to lead or enjoy special status.

Anti-democratic

Opposed to democratic principles, often favoring centralized control or leadership without the same level of input or influence from the general population.