Spectra Flashcards
What gives gassed filled lights their colour
An electric current passing through the gas in each glass tube makes the gas glow with its own colour
What is light a part of
The electromagnetic spectrum
How does the energy in the electromagnetic spectrum move
Through waves
What happens when sunlight passes through a prism
Different frequencies separate into a spectrum of colours
In the visible spectrum red
Has the longest wavelength and lowest frequency
Stated in bohrs discovery, if energy is absorbed?
Electrons jump to an excited state
Stated in bohrs discovery, if energy is removed?
Electrons move to the original ground state
When is a photon emitted?
When an electron goes from excited state to ground state (energy removed)
How to excite electrons
Use a spark
Use heat
Use light
What is spectroscopy
Study of the interaction between light and matter
