Question: In a certain Young's double - slit experiment, an interference pattern is formed on a distant screen. The angle that locates a given bright fringe

In a certain Young's double

-

slit experiment, an interference pattern is formed on a distant screen. The angle that locates a given bright fringe is small, so that the approximation

s i n

is valid. By what factor does the angle change if the wavelength

is doubled and the slit separation d is doubled?

In a certain Young's double - slit experiment, an

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