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Light Maze: The Wave Game
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Which type of interference (constructive or destructive) results in a dark fringe?
Destructive interference.
What changes in Michelson’s interferometer when the mirror is moved by 1 micron?
Two fringes shift (as path difference changes by 2 microns).
What is the formula for fringe width in Young's Double Slit Experiment?
β = λD/d (where D = screen distance, d = slit separation)
Why do we see circular fringes in Newton’s ring setup instead of straight lines?
Due to symmetrical air film between lens and glass plate.
Name the device that uses interference to precisely measure wavelengths of light.
Michelson’s Interferometer.
What kind of wavefront does a point source produce in interference experiments?
Spherical wavefront.
Which instrument uses a movable mirror to measure small path differences?
Michelson’s Interferometer.
In YDSE, what happens to fringe width if the wavelength is doubled?
Fringe width also doubles.
What is the condition for constructive interference in Young’s Double Slit Experiment?
Path difference = nλ, where n is an integer.
Which phenomenon causes the formation of bright and dark fringes in Newton’s Rings?
Interference of reflected light.
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