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Introducing new Paper mode
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- Multiple ChoicePlease save your changes before editing any questions.What are the parts of a longitudinal wave?Compressions and rarefactionsCrests and troughsCompressions and crestsRarefactions and troughs
- Multiple ChoicePlease save your changes before editing any questions.The most dense part of a longitudinal wave.DensityCompressionRarefactionAmplitude
- Multiple ChoicePlease save your changes before editing any questions.The illustration shows a light ray striking an object.
In the illustration, the light ray striking the object is-absorbedstoppedreflectedrefracted - Multiple ChoicePlease save your changes before editing any questions.The bouncing off of light rays from the surface of an object such as a mirror or other shiny surface is called:mirrorlaserreflectionrefraction
- Multiple ChoicePlease save your changes before editing any questions.The ray of light that strikes a reflecting surface is called ________.incident rayreflected raynormal raynone of the above
- Multiple ChoicePlease save your changes before editing any questions.The angle produced as a source of light bounces off a reflecting surface is called ______.angle of crookednessangle of reflectionangle of incidenceangle of bounce
- Multiple ChoicePlease save your changes before editing any questions.
Why can you see most objects?
A. they emit light
B. light refracts through them
C. light reflects off them
D. they absorb light
- Multiple ChoicePlease save your changes before editing any questions.Swimming pools and the ocean look shallower than they really are due to:reflectiondispersionrefractiontotal internal reflection
- Multiple ChoicePlease save your changes before editing any questions.What is this called?refractionreflectionreconstroctionretraction
- Multiple ChoicePlease save your changes before editing any questions.According to the Law of reflection, a light ray striking a mirrorcontinues moving through the mirror in the same directionmoves into the mirror at a slightly different anglebounces off the mirror toward the direction it came frombounces off the mirror at the same angle it hits.
- Multiple ChoicePlease save your changes before editing any questions.Why does the lower part of the child appear so much different in size from the upper part?The light rays that travel through water and then into air are refracted.The light rays that travel through water and then into air are enlarged.The light rays that travel through air and then into water are reflected.The light rays that travel through air and then into water are reduced.
- Multiple ChoicePlease save your changes before editing any questions.How does light behave as it enters these mediums?continue its path as straight line.bends toward the normalbends away from the normalreflects