The bright and dark bands you see in a photograph of a double-slit interference pattern represent
a. the respective positions of the crests and the troughs of the light wave.
b. an interference pattern that is not present unless it is produced by the camera lens.
c. the respective positions of constructive and destructive interference of light from the two sources.
d. the respective positions of destructive and constructive interference of light from the two sources.
e. the respective positions of bright and dark particles of light.
c
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Ptolemy's Cosmos..
a) was geocentric with planets moving in epicycles along deferents and was the culmination of early Greek philosophy b) was the first record of an heliocentric cosmos c) was geocentric with planets exhibiting only prograde d) flat with water surrounding ut like a moat
One nuclear reaction that occurs occasionally in the sun is the fusion of three alpha particles. What isotope is produced by this reaction? NOTE: Atomic number 6 is carbon, number 7 is nitrogen, and number 8 is oxygen
A) 12O B) 14N C) 12N D) 12C E) 14C
A certain car traveling at 34.0 mph skids to a stop in 29 meters from the point where the brakes were applied. In approximately what distance would the car have stopped had it been going 105.4 mph?
A) 29 m B) 90 m C) 51 m D) 158 m E) 279 m
One "food calorie" equals 1000 calories
a. True b. False Indicate whether the statement is true or false