A Piece of Glass Has a Thin Film of Gasoline

question 6

Multiple Choice

A piece of glass 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 glass are 1.40 and 1.50,respectively,what is the minimum nonzero thickness of the film to see a bright reflection?

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

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Various strategies or approaches for providing assistance to countries and communities in need, including grants, loans, and technical support.

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The process of transferring money from one party to another, which can occur through various methods such as electronic transfer, check, or cash.

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Persons who lack sufficient financial resources or income to meet their basic living needs according to societal standards.