Astronomy Unit 3 Test

The definition of spectroscopy is...

• ...the branch of science concerned with the investigation and measurement of spectra produced when matter interacts with or emits electromagnetic radiation.

• ...the branch of astronomy concerned with the investigation and measurement of light produced when matter interacts with or emits electromagnetic radiation.

• ......the section of science concerned with the amount and measurement of light produced when matter interacts with or emits electromagnetic radiation.

List the types of waves in the EM Spectrum, in order from shortest to longest wavelengths.

• Radio Waves, Microwaves, Infrared Rays, Visible Light, Ultraviolet Rays, X-Rays, Gamma Rays

• Radio Waves, Microwaves, Gamma Rays, X-Rays, Infrared Rays, Ultraviolet Rays, Visible Light

• Gamma Rays, X-Rays, Ultraviolet Rays, Visible Light, Infrared Rays, Microwaves, Radio Waves

• Gamma Rays, X-Rays, Infrared Rays, Ultraviolet Rays, Microwaves, Visible Light, Radio Waves

Radio Waves have the ________ wavelengths and ______ frequencies.

• Lowest, Longest

• Longest, lowest

• Shortest, highest

• Highest, shortest

What does infrared mean, as to the visible light spectrum.

• Red

• Orange

• Above Red

• Below Red

In the visible spectrum, the longest wavelength is ____________ and the shortest wavelength is ___________.

• Violet light, red light

• infrared light, ultraviolet light

• Orange light, blue light

• Red light, violet light

The colors in the visible light spectrum from longest to shortest wavelength is...

• Red, Orange, Yellow, Green, Blue, Violet

• Violet, Blue, Green, Yellow, Orange, Red

• None of the above

Ultraviolet Rays have ________ wavelengths and ________ higher frequencies than visible light rays.

• Shorter, lower

• Sorter, higher

• Longer, thinner

• Both A & B

What is force?

• Force is a push that causes a change in motion.

• Force is a push or pull that causes a change in shape.

• Force is a push or pull that causes a change in motion.

• Force is a push or pull that causes a change in color.

Which is showing a repulsive magnetic field?

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• 

Which is showing an attractive magnetic field?

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•