The index of refraction of a substance is

a)equal to the speed of light in vacuum divided by its speed in that substance.
b)equal to the speed of light in that substance.
c)the same as the angle of refraction.
d)the same as the angle of incidence.
?
?
?


a

Physics & Space Science

You might also like to view...

Of the common battery sizes AAA, AA, C, and D, which provides the highest emf?

A. AAA B. AA C. C D. D E. all have the same emf

Physics & Space Science

These are found on the side of the Moon that faces Earth, but not on the far side

A) Highlands B) Maria C) Craters D) Mountains E) Valleys

Physics & Space Science

Why do we think Mercury contracted after it formed?

What will be an ideal response?

Physics & Space Science

Which of the following statements is true of type I supernovae?

A) They occur when a white dwarf has a lower mass than the Chandrasekhar limit. B) They appear to be produced by the collapse and explosion of a massive star. C) They are seen as a dimming star from Earth. D) They have no hydrogen lines in their spectra.

Physics & Space Science