A layer of kerosene (n = 1.45) is floating on water (n = 1.33). For what angles of incidence at the kerosene-water interface will light be totally internally reflected within the kerosene?
What will be an ideal response?
?> 66.5°
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In a spectroscopic binary, the star whose lines shift the most weighs the most
Indicate whether the statement is true or false
On the Moon, the acceleration of gravity is g/6. If a pendulum has a period T on Earth, what will its period be on the Moon?
A) T B) T/ C) T/6 D) 6T E) T/3
Which of the following ions is isoelectronic with an argon atom?
a. Cl- b. Na+ c. F- d. S2+
This holographic image shows the vibrations in the body of a violin. The sound that reaches your ears from a violin:
a. comes from the air motion directly caused by the vibrating strings. b. results from the resonant motion of sound box of the violin and the air molecules within it. c. comes from a speaker system attached to an amplifier in the violin. d. comes from the violin bow. e. the small bridge that slightly elevates the violin strings above the sound box.