Physical Science 4th Quarter 21 - 30: Question Preview (ID: 9886)

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Wavelength is a measure of:
a) bottom of the wave to the top
b) how long the wave is
c) from one point on the wave to the next, after one cycle

If a light wave strikes a mirror at 40 degrees, the light wave reflection will be:
a) 30 degrees
b) 15 degrees
c) 40 degrees

Refraction is when a light wave seems to:
a) bend as it goes through water
b) bounce off of the water
c) drop into the water and sink like a rock

If a light wave strikes a mirror at 20 degrees and bounces off at 20 degrees, this is called:
a) cooling
b) absoprtion
c) reflection

Compression is when the sound waves are:
a) packed loosely
b) nonexistant
c) packed tightly together

Visible light makes up how much of the electromagnetic spectrum?
a) a small part
b) a huge part
c) it has nothing to do with it

Radio waves have the longest wavelengths. This means that they:
a) have decreased frequencies
b) have more radiation
c) are faster

The more you wrap a nail with copper wire and power, the electromagnetic energy produced will:
a) increase
b) decrease
c) make no difference

How do blue light waves differ from red light waves?
a) they are prettier
b) they match your shirt better
c) blue light waves have a shorter wavelength

Sound travels fastest through:
a) a vacuum
b) air
c) a dense solid

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