Light of wavelength 481 nm shines through a slit of width 5.6 mm unto a screen...
Light of wavelength 481 nm shines through a slit of width 5.6 mm unto a screen 1.1 m away and creates a diffraction pattern.
35) What happens if a greater intensity (brightness) is used?
the fringe spacing increases
the fringe spacing increases
the fringe spacing stays the same
36) What color light has the least momentum?
blue
green
red
they all have the same speed thus have the same momentum
light has no mass and thus cannot have momentum
Homework Answers
fringe width doesn't depend on intensity of given light.
stays the same.
the most energetic beam will have the highest momentum. energy of the beam depends on its frequency . among them blue colour have the highest frequency it means it will have the largest momentum.and red colour has the least frequency so it will have least momentum
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