Author Question: A Michelson interferometer is used with 600 nm light. How far does the adjustable mirror move as the ... (Read 85 times)

pragya sharda · **on:** Jul 28, 2018

A Michelson interferometer is used with 600 nm light. How far does the adjustable mirror move as the fringe pattern goes from a bright fringe to the next bright fringe?
1.1200 nm
2.600 nm
3.300 nm
4.150 nm

Question 2

A beam splitter is an essential part of the Michelson interferometer. Which of the following best describes how it works?
1.It is an electronic device which, like a train switch, directs half of the light it receives up, and the rest straight ahead.
2.It is a 45 angle mirror which reflects half the light sideways and lets the other half through.
3.It is a mirror that rotates at the light source's frequency, such that half the light it receives is reflected upward, and the other half is let through.
4.It is much like a double slit, but one of the slits directs the light upwards.