Astronomy quiz

absorption spectrum is ...

• a continuous band of light with absorption lines.

• transition of energy

• radiation

What is emission spectra ?

• a star

• a series of spectral line

• a gas in heated

continues spectra ...

• a continues band of visible-- ROYGBV

• none of these

• ROYGBV

• I'm very sleepy

The rainbow in order from hottest to coolest or greater to least energy.

• Violet, blue, green, yellow, orange, and red.

• blue, orange, red, violet, green, and yellow.

• red, yellow, green, blue, violet, and orange.

Doppler Shift

• a change in frequency in the wavelength

• a white light

• none of these

The rainbow in order from hottest to coolest or greater to least energy.

• Violet, blue, green, yellow, orange, and red.

• blue, orange, red, violet, green, and yellow.

• red, yellow, green, blue, violet, and orange.

Red Shift

• Moving away

• moving to the sides

• moving towards us

Blue shift moves towards us

• True

• False

• refracting

• reflection

• cassegrain

• cassegrain

• refracting

• reflection