The actual depth of a shallow pool 1.00 m deep is not the same as the apparent depth seen when you look straight down at the pool from above. How deep (in cm) will it appear to be? (nwater = 1.33.)
a. 133
b. 75.2
c. 90.6
d. 117
e. 100
b
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Consider two different isotopes of the same neutral element. Which statements about these isotopes are true? (There may be more than one correct choice.)
A) Both isotopes contain the same number of orbital electrons. B) The sum of the protons and neutrons is the same for both isotopes. C) Both isotopes contain the same number of protons. D) Both isotopes contain the same number of neutrons. E) Both isotopes contain the same number of nucleons.
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A) self-replicating probes sent out to explore the galaxy by an advanced civilization B) devices capable of creating wormholes C) devices capable of time travel D) spacecraft capable of traveling faster than the speed of light
Light strikes a diamond (n = 2.42) immersed in glycerin (n = 1.473) at an angle of 60° relative to the normal to the surface. What is the angle of refraction?
A. 20° B. 60° C. 32° D. 64° E. 15°