Visible light, X-rays and microwaves are all part of the electromagnetic spectrum. Which statement about these waves is correct?
- AIn a vacuum, microwaves travel faster than visible light and have a shorter wavelength.
- BIn a vacuum, microwaves travel at the same speed as visible light and have a shorter wavelength.
- CIn a vacuum, X-rays travel faster than visible light and have a shorter wavelength.
- DIn a vacuum, X-rays travel at the same speed as visible light and have a shorter wavelength.