In a single-slit diffraction experiment, the width of the slit is 1.90 ?m. If a beam of light of wavelength 610 nm forms a diffraction pattern, what is the angle associated with the second dark fringe above the central bright fringe?
A) 11.4°
B) 9.35°
C) 12.2°
D) 39.9°
E) 18.7°
D
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A) The parallax method B) The rotation curve method C) The visual field test D) Colorimetry
If you look at yourself in a pocket mirror, then hold the mirror farther away, you see
A) more of yourself. B) less of yourself. C) the same amount of yourself.
Smaller worlds are more prone to atmospheric loss via impacts than large worlds because they
A) have no plate tectonics B) have weaker gravities C) are more likely to be hit D) have less internal heat
The Concorde's exterior is made of aluminum, which has a coefficient of linear expansion of 24 × 10-6K-1. At 15°C, the Concorde measures 62.1 m in length
When the plane is in flight, friction with the air increases the temperature of the exterior skin to 200°C. What is the change in the length of the outer skin of the Concorde? A) 20 cm B) 24 cm C) 28 cm D) 32 cm E) 36 cm