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(a) What is the smallest thickness of a soap film (n=1.33) thatwould appear black if illuminated with 480-nm light? Assume thereis air on both sides of the soap film.
(b) What are the two other possible thickness for the film toappear black?
(c) If the thickness t was much less than λ, why would thefilm also appear black?
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Find out the overall change in internal energy between the initial and final states per unit mass of water.
white light illuminates an oil film on water. viewing it directly from above it looks red. assume that the reflected
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What happens when a proton moves parallel to a magnetic field and when a proton moves perpendicular to a magnetic field
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A bullet is fired through a board 8.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. Find the total time the bullet is in contact with the board
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