Diffraction gratings Flashcards
1
Q
Diffraction meaning?
A
Tendency of a wave to spread out in all directions
2
Q
Superposition meaning?
A
Adding together wave displacements that occur whyen waves overlap.
3
Q
Path difference meaning?
A
Difference in length between 2 rays
4
Q
Interference pattern meaning?
A
opposite of superposition. stationary pattern caused by waves travelling in different directions
5
Q
Coherent meaning?
A
waves with the same frequency, wavelength