Looking at a dark spot, the change in the optical path length difference to go t

1) Lambda/4 2) Create two paths for the laser light. 3) 4) 632.8 nm

ID: 1383437 • Letter: L

Question

Looking at a dark spot, the change in the optical path length difference to go to a bright spot and back to a dark spot is :

Question options:

?/4

?/2

What is the point of the beam splitter?

Question options:

Create two paths for the laser light.

Split the beam into different wavelengths.

Change the distance from the laser to mirrors.

Nothing; it's BS.

Which variables need to be meassured to determine the wavelength of a laser (two answers are correct, choose one of the correct ones)?

Question options:

What is the wavelength of a Helium-Neon laser ?

Question options:

193.0 nm

337.1 nm

454.6 nm

632.8 nm

10600 nm

?/4

?/2

1) Lambda/4

2) Create two paths for the laser light.

4) 632.8 nm

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.