Author Question: The ratio of the electric field to the magnetic field in the electromagnetic wave is the speed of ... (Read 310 times)

mia · **on:** Jul 29, 2018

The ratio of the electric field to the magnetic field in the electromagnetic wave is the speed of the light.

Indicate whether the statement is true or false

Question 2

The rms speed of a certain sample of carbon dioxide molecules, with a molecular weight of 44 g/mole, is 396 m/s. What is the rms speed of water molecules, with a molecular weight of 18 g/mol, at the same temperature?

A)

253 m/s

B)

387 m/s

C)

421 m/s

D)

506 m/s

E)

619 m/s