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- 1. Multiple ChoiceThe velocity of light in vacuum is _______ m/s3x1083x10123x1063x1010
- 2. Multiple ChoiceWe can see objects because of_______reflectionrefractiontransmissiondiffraction
- 3. Multiple Choice
How does light behave as it enters these mediums?continue its path as straight line.bends toward the normalbends away from the normalreflects - 4. Multiple ChoiceAbsolute refractive index of any medium is always _______.less than 1greater than 110
- 5. Multiple ChoiceSwimming pools and the ocean look shallower than they really are due to:reflectiondispersionrefractiontotal internal reflection
- 6. Multiple ChoiceThe formula to calculate the refractive index isn=cvn=v/cn=c/vv=nc
- 7. Multiple ChoiceWhat is this called?refractionreflectionreconstroctionretraction
- 8. Multiple ChoiceAccording 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.
- 9. Multiple ChoiceA ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What is the angle of refraction? (air n=1, crown glass n=1.532)39.7 degrees19.2 degrees59.1 degrees12.3 degrees
- 10. Multiple ChoiceGlass has a _____________ index of refraction than air.EqualGreaterLessImpossible to say
- 11. Multiple ChoiceThe fact the two angles are the same is an example of....RefractionAngle of IncidenceLaw of reflectionMagnification
- 12. Multiple ChoiceLight travels through a liquid at 2.25 EE 8 m/s. What is the index of the liquid?1.331.01.5232.45
- 13. Multiple ChoiceWhat is the index of refraction of a refractive liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?1.332.212.371.72
- 14. Multiple ChoiceIf the angle of incidence of light traveling through air, and then striking water is 30 degrees what is the angle of refraction? (n=1 air, n=1.33 water)15 degrees22 degrees43 degrees17 degrees
- 15. Multiple ChoiceLight has the lowest velocity in which medium?
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523
water n=1.33
diamond n=2.45diamondwaterflint glassbarium glass - 16. Multiple ChoiceThe point where the rays meet is known as....Firethe focal pointrefractionPlane of the lens
- 17. Multiple ChoiceThe bouncing of light is known asMirrorRefractionIndex of refractionreflection
- 18. Multiple ChoiceWhat is this image showing?ReflectionRefractionThe law of reflectionConcave Mirror
- 19. Multiple ChoiceThe image formed in a flat mirror islarger than the object and farther away.reduced and closer to the mirror.a real image of the object.equal to the height and distance of the object.
- 20. Multiple ChoiceWhy 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.
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