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What is the effect of increasing the wavelength ($\lambda$) in Young's double-slit experiment?
The fringe spacing (x) increases.
What is the effect of increasing the slit separation (d) in Young's double-slit experiment?
The fringe spacing (x) decreases.
What is the effect of increasing the distance to the screen (L) in Young's double-slit experiment?
The fringe spacing (x) increases.
What is the effect of light passing through a narrow slit?
The light diffracts, spreading out after passing through the slit.
What is the effect of using coherent light in Young's double-slit experiment?
A stable and clear interference pattern is produced.
Compare constructive and destructive interference in terms of path difference.
Constructive: $\Delta l = m\lambda$ | Destructive: $\Delta l = (m + \frac{1}{2})\lambda$, where m = 0, 1, 2...
Compare the resulting wave amplitude in constructive and destructive interference.
Constructive: Amplitude increases | Destructive: Amplitude decreases.
What are the steps of Young's Double-Slit Experiment?
1. Coherent light source. 2. Light passes through two narrow slits. 3. Light diffracts and overlaps. 4. Interference pattern observed on screen.