Question: Why does the Doppler effect lead to a shift in the wavelength of a star, but to a broadening of a transition in a gas?

Why does the Doppler effect lead to a shift in the wavelength of a star, but to a broadening of a transition in a gas?

Step by Step Solution

★★★★★

3.55 Rating (166 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

The wavelength of a star is shifted because all the photon e... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Physical Chemistry Questions!

Q:

How does the Doppler effect aid police in detecting speeding motorists?

Q:

A binary star system consists of two stars revolving about their common center of mass. If we observe the light reaching us from one of these stars as it makes one complete revolution, what does the...

Q:

In the Doppler effect, does frequency change? Does wave speed change?

Q:

Gamma rays were first observed by the to detect defects in casts, molds, and metal French chemist Paul Villard (1860-1934) sheets. It can also be used as a thickness in 1900 when he was investigating...

Q:

43. From greatest to least, rank the energy needed for these phase changes for equal amounts of water. a. From ice to ice-water. b. From ice-water to boiling water. c.From boiling water to steam. 45....

Q:

47. How does atmospheric pressure at the bottom of a deep well compare to normal atmospheric pressure? Defend your answer. 49. Why is a soft, underinflated football at sea level much firmer when it...

Q:

Ch 3 67. For a freely falling object dropped from rest, what is the acceleration at the end of the fifth second of fall? Tenth second of fall? Defend your answers. Ch 4 75. A 400-kg bear grasping a...

Q:

ATTEMPT IS YOU ARE SURE OF YOUR QUESTIONS KINDLY A.1 A cup containing 0.5 kg of water at 50C is left to cool to the temperature of its surroundings: 15C. Is this a reversible process? [1] What is the...

Q:

Experiment 7 SPECTROSCOPY In most branches of science, scientists can take a sample of whatever they're studying for closer examination in the laboratory. Astronomers, however, work with the handicap...

Q:

Dear tutor: I need help with part B of my lab indicated below Experiment 7 SPECTROSCOPY In most branches of science, scientists can take a sample of whatever they're studying for closer examination...

Q:

3. Ms Lei is a sole practitioner accountant. Her practice also acts as an agent for a local energy supplier accepting payments. The income is small with five regular employees, including her son and...

Q:

The following information is available from the current period financial statements: Net income $111,266 Depreciation expense 20,875 Increase in accounts receivable 15,501 Decrease in accounts...

Q:

*34. Where are gains and losses related to cash flow hedges involving anticipated transactions reported?

Q:

Luxury Tax Heavier Burden on Working Class, it Would Seem The Omnibus Budget Reconciliation Act of 1990 included a stern tax on luxury items. In 1990 the Joint Committee on Taxation projected that...

Q:

The molar mass of a newly synthesized fluorocarbon was measured in a gas microbalance. This device consists of a glass bulb forming one end of a beam, the whole surrounded by a closed container. The...

Q:

A sample of 255 mg of neon occupies 3.00 dm 3 at 122 K. Use the perfect gas law to calculate the pressure of the gas.

Q:

What is the significance of the critical constants?

Q:

Not incomplete the rest of the info is written Passive transport... 5. A former professor went to the website RateMyProfessors.com and looked up the quality rati and also the "easiness" of the six...

Q:

Question 25 of 30 2 points Save Answa An insurance contract has a straight deductible worth 100BD, additionally it also has a coinsurance agreement which specifies that a 40% coinsurance clause...

Q:

FinCorp's free cash flow to the firm is reported as $ 3 0 5 million. The firm's interest expense is $ 4 2 million. Assume the corporate tax rate is 2 1 % and the net debt of the firm increases by $ 5...