A Diver Below the Surface of a Lake Notices That

question 11

Multiple Choice

A diver below the surface of a lake notices that no light appears to be coming toward her from angles greater than θ, measured from the vertical. If the index of refraction of water is 1.33, what is the angle θ?

• A) 30.0°
• B) 36.9°
• C) 41.2°
• D) 48.8°
• E) 53.1°

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Definitions:

Unconditional Offer

An offer made by one party to another that requires no additional conditions or stipulations to be met for acceptance.

Tender

An unconditional offer to perform an obligation by a person who is ready, willing, and able to do so.

Tendered

Offered formally or presented for acceptance, like a payment or a resignation.

Tender

An offer made in writing to perform a work or supply goods at a specified price.