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  3. #2 a. consider a michelson interferometer with one

#2 a. Consider a Michelson interferometer with one fixed arm and one moveable arm, both of length...

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Physics

#2

a. Consider a Michelson interferometer with one fixed arm andone moveable arm, both of length 5 m. If 300 nm laser light isshown through the device, what percentage change in the length ofthe movable arm will shift the detector from constructive todestructive interference?

b. A telescope is looking at a 2 star system. If the stars are1.5 x 10^13 m apart and 9 x 10^16 m away, how big does thetelescope opening have to be to resolve the two stars?

c. If red light (lambda = 800 nm) and violet light (lambda = 400nm) are alternately shown through a slit with width 1 mm, find thedistance between the first minima for these different lights on ascreen 5 m away.

Answer & Explanation Solved by verified expert
3.5 Ratings (507 Votes)
a For constructive interference to occur both the arms willhave to be at the same lengthor a difference equal to thewavelengthSo constructive interference can occur when L L 5    See Answer
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