How wide must a narrow slit be if the first diffraction minimum occurs at ±12° with laser light of 633 nm?
a. 3.0 × 10^?6 m
b. 3.0 × 10^?5 m
c. 6.1 × 10^?6 m
d. 6 .1× 10?5 m
e. 1.5 × 10^?6 m
a
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Single-Slit Diffraction: In a single-slit diffraction experiment, the width of the slit through which light passes is reduced. What happens to the width of the central bright fringe in the resulting diffraction pattern?
A. It stays the same. B. It becomes narrower. C. It becomes wider.
One of the defining features of "pseudoscience" is that pseudoscientific ideas
A) appear to be scientific. B) are unusual, or odd. C) Both of the above. D) are wrong. E) are held tentatively, as a hypothesis.
A one-way mirror works because of
a. interference b. diffraction c. its surfaces being half-silvered d. dispersion e. polarization
Explain why stars displaying spectral lines of molecules must be relatively cool
What will be an ideal response?