A single slit forms a diffraction pattern with monochromatic light. The 4th minimum of the pattern occurs at an angle of 35° from the central maximum. How many bright bands are on each side of the central maximum?
A) 5
B) 4
C) 6
D) 7
E) 8
A
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The ____ is (are) the hot gases that are the moving extension of the sun's corona
a. spicules b. prominences c. flares d. supergranules e. solar wind
Which of these celestial bodies is rocky with a thin atmosphere?
a. Ceres b. Eris c. Neptune d. Uranus e. Pluto
Air that flows southward from the horse latitudes in the Northern Hemisphere produces the
A) Gulf Stream. B) trade winds. C) westerlies. D) Kuroshio current.
How do humans use their eyes to measure relative distance by parallax?
a. By continuously focusing our eyes on distant objects we can determine distance. b. Since our eyes are separated the brain interprets the relative look angles of these eyes in terms of distance to the object viewed. c. Our eyes can measure the time it takes light to travel from an object and from this we get distance. d. By moving our heads from side to side our brain compares look angles from each of these positions to obtain the distance to the object viewed.