CP5b The Electromagnetic Spectrum REVISIT Flashcards
1
Q
If the frequency of an electromagnetic wave is lower than that of a red light…
A
Human eyes cannot see it. Infrared, microwaves and radiowaves have lower frequencies than red light
2
Q
Order of the electromagnetic spectrum: (shortest wave length to the longest)
A
gamma rays x-rays ultraviolet visible light infrared microwaves radio waves
3
Q
Ultraviolet, X-rays and gamma rays have higher frequency have a higher frequency than…
A
visible light
4
Q
Stars and other space objects can emit energy at all…
A
wavelengths
5
Q
Different materials affect electromagnetic waves depending on the…
A
wavelength
6
Q
Most telescopes use curved mirrors to focus the electromagnetic radiation onto a…
A
central censor
