Spectral Classification and H-R Diagram Lab

What type of spectrum does a hot opaque body produce?

• Absorption line spectrum

• None of the above

• Continuous spectrum

• Emission line spectrum

What type of spectrum is produced by a cool, transparent gas in front of a continuous spectrum source?

• Absorption line spectrum

• Continuous spectrum

• None of the above

• Emission line spectrum

What mnemonic is used to remember the spectral sequence?

• Oh, Be A Fine Girl/Guy, Kiss Me!

• Every Good Boy Deserves Fudge

• Please Excuse My Dear Aunt Sally

• My Very Educated Mother Just Served Us Noodles

Tags

NGSS.HS-PS4-3

Which spectral type has the fewest spectral lines?

• O

• K

• M

• G

Who was a principal figure in the early work on stellar spectra?

• Albert Einstein

• Galileo Galilei

• Annie Jump Cannon

• Isaac Newton

What is planck curves describing?

• Planck curves describe the speed of light in a vacuum.
• Planck curves describe the gravitational waves in space.
• Planck curves describe the chemical composition of stars.
• Planck curves describe the spectral distribution of black body radiation.

Tags

NGSS.HS-PS4-3

Which spectral type corresponds to a surface temperature of 40,000 K?

• O0

• B0

• A0

• M0

What is the color of a star with a spectral type of G?

• White

• Red

• Yellow

• Blue

What is the peak wavelength for a star with a surface temperature of 3,000 K?

• 145 nm

• 966 nm

• 387 nm

• 72.5 nm

Tags

NGSS.HS-PS4-1

What is the spectral type of a star with a surface temperature of 10,000 K?

• G0

• F0

• B0

• A0