What are the SI units for the following?

(a)
wavelength
meters
hertz
seconds
meters per second
(b)
frequency
meters
hertz
seconds
meters per second
(c)
period
meters
hertz
seconds
meters per second
(d)
amplitude
meters
hertz
seconds
meters per second

(a)

- Wavelength: meters
- Hertz (frequency): seconds^-1 or inverse seconds
- Meters per second (wave speed): meters per second

(b)
- Frequency: Hertz

(c)
- Period: seconds

(d)
- Amplitude: meters