The speed of light changes when it goes from ethyl alcohol (n = 1.36) to carbon tetrachloride (n = 1.46). The ratio of the speed in carbon tetrachloride to the speed in ethyl alcohol, v2/v1, is
a. 1.99
b. 1.07
c. 0.932
d. 0.511
e. 0.760
C
You might also like to view...
Long distance bus service is cheaper per passenger than urban bus transit. Explain as many of the factors that make this so as possible
What will be an ideal response?
What potential difference is required across an 8.0-? resistor to cause 2.0 A to flow through it?
What will be an ideal response?
A television advertisement claiming that a product is light-years ahead of its time does not make sense because
A) it doesn't specify the number of light-years. B) it uses "light-years" to talk about time, but a light-year is a unit of distance. C) a light-year is an astronomically large unit, so a product could not possibly be so advanced. D) light-years can only be used to talk about light.
An ice skater glides across a frozen pond at a constant velocity. What is the net force acting on the skater?
A. more than her weight B. equal to her weight C. less than her weight but more than zero D. depends on her speed E. zero