Consider electromagnetic waves propagating in air.

Part A

Determine the frequency of a wave with a wavelength of $5\mathrm{.}00$ km$.$

Enter your answer in hertz.

Part B

Determine the frequency of a wave with a wavelength of $5\mathrm{.}30$ m$.$

Enter your answer in hertz.

Part C

Determine the frequency of a wave with a wavelength of $6\mathrm{.}00$ nm$.$

Enter your answer in hertz.

Part D

What is the wavelength $($in meters$)$ of gamma rays of frequency $6\mathrm{.}5510^21$ Hz$?$

Express your answer in meters.

Part E

What is the wavelength $($in nanometers$)$ of gamma rays of frequency $6\mathrm{.}5510^21$ Hz$?$

Express your answer in nanometers.