Question

Be careful with units and significant figures. Laser light shines through a double slit, yielding the diffraction pattern of intensity $I(\theta)$ vs. $\theta$ shown in the figure: Intensity (mW/cm$^2$) 7 6 5 4 3 2 1 0 0 5 Deflection (degrees) (a) (3 pts) If the slits are 7.2 µm apart, what is the wavelength of the light? (b) (3 pts) How wide are the slits? (c) (3 pts) If the slits are replaced with a pair that are the same width but 14.4 µm apart, draw the resulting pattern intensity $I(\theta)$ vs. $\theta$.

          Be careful with units and significant figures.
Laser light shines through a double slit, yielding the diffraction
pattern of intensity $I(\theta)$ vs. $\theta$ shown in the figure:
Intensity (mW/cm$^2$)
7
6
5
4
3
2
1
0
0
5
Deflection (degrees)
(a) (3 pts) If the slits are 7.2 µm apart, what is the wavelength of the
light?
(b) (3 pts) How wide are the slits?
(c) (3 pts) If the slits are replaced with a pair that are the same
width but 14.4 µm apart, draw the resulting pattern intensity $I(\theta)$
vs. $\theta$.

$Be careful with units and significant figures. Laser light shines through a double slit, yielding the diffraction pattern of intensity I(θ) vs. θ shown in the figure: Intensity (mW/cm^2) 7 6 5 4 3 2 1 0 0 5 Deflection (degrees) (a) (3 pts) If the slits are 7.2 µm apart, what is the wavelength of the light? (b) (3 pts) How wide are the slits? (c) (3 pts) If the slits are replaced with a pair that are the same width but 14.4 µm apart, draw the resulting pattern intensity I(θ) vs. θ.$

Added by Theresa A.

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