An aquarium contains a 5-cm layer of water (n = 1.333) floating on top of carbon tetrachloride (n = 1.461). If the angle of incidence into the water from the carbon tetrachloride is 20°, what is the angle of refraction into the air?
a. 20°
b. 30°
c. 38°
d. 69°
e. 26°
B
Physics & Space Science
You might also like to view...
Quasars are radio sources that look like stars in visible-light photographs
a. True b. False Indicate whether the statement is true or false
Physics & Space Science
A string on a guitar is stretched between two points 30.0 cm apart with a tension of 100 N. The mass/length of the string is 0.00300 kg/m. The velocity of wave propagation on the string is
A. 175 m/s. B. 183 m/s. C. 205 m/s. D. 267 m/s. E. 300 m/s.
Physics & Space Science
Quantum uncertainties are most predominant for simultaneously measuring the speed and location of
A) a baseball. B) a spitball. C) an electron. D) none of the above
Physics & Space Science
Symbols on a weather map are called
A) isobars. B) data. C) weather elements. D) weather codes.
Physics & Space Science