Deck 25: The Doppler Shift

Question 1

The velocity toward you or away from you is called ______.

A) radial
B) space
C) transverse
D) tangential

Answer 1

radial

Question 2

An object moving toward you is said to be _______.

A) blueshifted
B) redshifted
C) null shifted
D) Doppler shifted

Answer 2

blueshifted

Question 3

An object moving away from you is said to be _______.

A) blueshifted
B) redshifted
C) null shifted
D) Doppler shifted

Answer 3

redshifted

Question 4

Doppler broadening is used to determine the _________ of a star.

A) radial velocity
B) rotation rate
C) transverse velocity
D) temperature

Question 5

_______ detects motion toward or away from you.

Question 6

A __________ in light indicates motion towards the observer.

Question 7

Radial velocity measures motion along the line of sight.

Question 8

An increasing Doppler shift is means the object is moving faster toward or away from you.