Physics 5B UCSC
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== Young's double slit experiment == An interference pattern is seen from two slits. Now, cover one slit with glass, introducing a phase difference of $\pi$ (180$^\circ$; half wavelength) at the slits. How is the pattern altered? <<c>> <<lia(doubleslit.png, align = center)>> <<c(1)>> A. pattern vanishes. A. pattern expands. A. bright and dark spots are interchanged. A. no change at all. |
Chapters 34 (Young’s Double Slit) and Section 35-11 (Polarization)
Gone fishing, 1
To shoot a fish with a gun, how should you aim?
- aim directly at the image
- aim slightly above
- aim slightly below
Gone fishing, 2
To shoot a fish with a laser gun, how should you aim?
- aim directly at the image
- aim slightly above
- aim slightly below
Superposition
Phase difference
The two waves shown are
out of phase by $\pi$.
out of phase by $\pi / 2$.
out of phase by $\pi / 4$.
- in phase.
Young’s double slit experiment
An interference pattern is seen from two slits. Now, cover one slit with glass, introducing a phase difference of $\pi$ (180$^\circ$; half wavelength) at the slits. How is the pattern altered?
<<lia: execution failed [2] (see also the log)>>
- pattern vanishes.
- pattern expands.
- bright and dark spots are interchanged.
- no change at all.