Question

Blue light leaves a Vacuum (the first medium) and enters a second medium. Which of the following second medium will result in the 2nd greatest amount of bending from the original light path?

a. Vacuum

b. Glass

c. Empty space

d. Diamond

e. Air

f. Water

Answer 1

$\text{Empty space and vacuum are identical definitions}$

$\text{Therefore, the second value will be the least optically dense medium}$

$\text{In this example, air}$

$\text{Answer: e}$