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Waves Test Review
Question | Answer |
---|---|
True or False - Sound waves travel at different speeds through different mediums. | True |
What type of waves are electromagnetic waves classified as? | Transverse (or Light) |
Electromagnetic waves with the longest wavelengths have what kind of frequencies? | Low |
What do we call the bending of waves that occur when waves move from 1 medium to another and changes speed? | Refraction |
Do all electromagnetic waves travel at the same speed? | Yes - 300,000 km/s |
The pitch of a sound wave depends on the sound waves..... | Frequency |
What kind of light waves can be separated into the various colors of the spectrum to form a rainbow? | Visible Light |
What type of waves need a medium to transfer energy? | Sound waves |
What is the apparent change in frequency due to the motion of the observer or the source called? | Doppler Effect |
Frequency is measured in what units? | Hertz (Hz) |
What do we call the highest part of a transverse wave? | Crest |
What do we call the lowest part of a transverse wave? | Trough |
What do you call the amount of energy that is being transferred in a transverse wave? | Amplitude |
What do we call the distance from crest to crest of a transverse wave? | Wavelength |
What are the # of wavelengths that pass a point in 1 second? | Frequency |
What is the Law of Reflection? | The Angle of Incidence is = to the Angle of Reflection |
What do we call the light ray that is sent into a barrier at an angle? | Incident Ray |
What do we call the light ray that bounces back from a barrier at an angle? | Reflected Ray |
What do we call the angle next to light ray that is sent into a barrier at an angle? | Angle of Incidence |
What do we call the angle next to light ray that bounces back from a barrier at an angle? | Angle of Reflection |
What is the name of the line drawn perpendicular to the mirror? | Normal |
High frequency waves will have what type of a wavelength? | Short |
Low frequency waves will have what type of a wavelength? | Long |
Sound waves are what kind of waves? | Compression or Longitudinal |
What do we call the part of the sound wave where the coils or particles are very close together? | Compressions |
What do we call the part of the sound wave where the coils or particles are very far apart? | Rarefactions |
What do we call the distance from compression to compression or rarefaction to rarefaction of a compression wave? | Wavelength |
Sound waves are created by what? | Vibrations |