Doppler Flashcards
1
Q
WHta is the doppler effect
A
The change in frequency of the soudn detected bya listener becuase the soudn source and the listener have different velocities relative to the medium of sound propogatuon
2
Q
Doppler
A
The apparent change in the frequency of a wave caused by relative motion between the source of the wave and observer.
(relative to the medium of sound propogation)
3
Q
Red shift
A
the reddening of light sent out by an object that is moving away from an observer.
4
Q
Link red shift to galaxies
A
the red shift that can be observed in light from distant galaxies suggests that the universe is expanding, and thus supports the Big Bang theory.
