light pt 2 Flashcards
1
Q
wavelength
A
length between crests
2
Q
frequency
A
number of waves that pass by each second
3
Q
radiative energy
A
energy carried by light and radio waves
4
Q
gravitational potential energy
A
More potential energy when higher and more kinetic when lower
5
Q
absorption
A
electron absorbs energy of a photon to go to a higher level
6
Q
continuous spectrum
A
comes from dense hot objects
7
Q
Blueshift
A
Light is moving towards the observer. emitted light will decrease
8
Q
Redshift
A
Light is moving away from the observer. Emitted light will increase
