A Puddle of Water Has a Thin Film of Gasoline

question 9

Multiple Choice

A puddle of water has a thin film of gasoline floating on it.A beam of light is shining perpendicular on the film.If the wavelength of light incident on the film is 560 nm and the indices of refraction of gasoline and water are 1.40 and 1.33,respectively,what must be the minimum thickness of the film to see a bright reflection?

• A)100 nm
• B)200 nm
• C)300 nm
• D)400 nm
• E)500 nm

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Definitions:

Ambiguity

Refers to the quality of being open to more than one interpretation; lack of definiteness or certainty.

Communication Medium

The channel or method through which information is transmitted from sender to receiver, such as text, speech, video, or digital platforms.

Transmitters

Devices or entities that send or transmit signals, information, or messages across distances for communication purposes.

Receptors

Biological structures or substances that receive and respond to chemical signals in an organism, playing a crucial role in various processes including sensory perception and neurotransmission.