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- 1. 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
- 2. Multiple Choice
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. - 3. Multiple ChoiceGlass has a _____________ index of refraction than air.EqualGreaterLessImpossible to say
- 4. Multiple ChoiceThe fact the two angles are the same is an example of....RefractionAngle of IncidenceLaw of reflectionMagnification
- 5. Multiple ChoiceThe measure of how much light refracts is called...RefractionLaw of reflectionreflected rayIndex of refraction
- 6. Multiple ChoiceThis shows the phenomenon known as....reflectionrefractionmirrorsfocal point
- 7. Multiple ChoiceHow does light behave as it enters these mediums?continue its path as straight line.bends toward the normalbends away from the normalreflects
- 8. Multiple ChoiceThe velocity of light in vacuum is _______ m/s.3x1083x10123x1063x1010
- 9. Multiple ChoiceAbsolute refractive index of any medium is always _______.less than 1greater than 110
- 10. Multiple ChoiceThe formula to calculate the refractive index isn=cvn=v/cn=c/vv=nc
- 11. 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
- 12. Multiple ChoiceWhat is the index of refraction of a refractive medium if the angle of incidence in the air is 40 degrees and the angle of refraction is 29 degrees?1.322.061.5231.586
- 13. 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
- 14. Multiple ChoiceLight has the highest 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 - 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 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 - 17. Multiple ChoiceThe separation of white light into its component colors is known as:polarizationrefractionreflectiondispersion
- 18. Multiple ChoiceIf a pulse of red light and a pulse of blue light travel in vacuumThe red pulse travels faster because its index of refraction is smallerThe blue pulse travels fasterThe two pulses travel at the same speedThe relative speed depends on the exact wavelengths of the red and blue pulses
- 19. Multiple ChoiceAccording to Willebord Snell, light passing from air to glass will cause the light tomaintain its original speedaccelerate while it is in glassincrease its speedreduce its speed
- 20. Multiple ChoiceHow many colors are in the rainbow?*NineFiveSeven
- 21. Multiple ChoiceWhat do you need to make a rainbow? *A prismA bookA train
- 22. Multiple ChoiceThe velocity of light in vacuum is _______ m/s3x1083x10123x1063x1010
- 23. Multiple ChoiceWe can see objects because of_______reflectionrefractiontransmissiondiffraction
- 24. Multiple Choicea curved piece of glass or other transparent material that refracts lightlensmirrormiragereflection
- 25. Multiple Choicea transparent material that refracts light; it is thinner in the center than at the edgesconcave lensconvex lensconcave mirrorconvex mirror
- 26. Multiple Choicea transparent material that refracts light; it is thicker in the center than at the edgesconcave lensconvex lensconcave mirrorconvex mirror
- 27. Multiple ChoiceHow does light behave as it enters these mediums?continue its path as straight line.bends toward the normalbends away from the normalreflects
- 28. Multiple ChoiceAccording to Willebord Snell, light passing from air to glass will cause the light tomaintain its original speedaccelerate while it is in glassincrease its speedreduce its speed
- 29. Multiple ChoiceThe velocity of light in vacuum is _______ ms(-1)3x1083x10123x1063x1010
- 30. Multiple ChoiceAbsolute refractive index of any medium is always _______.less than 1greater than 110
- 31. Multiple ChoiceThe formula to calculate the refractive index isn=cvn=v/cn=c/vv=nc
- 32. Multiple ChoiceSwimming pools and the ocean look shallower than they really are due to:reflectiondispersionrefractiontotal internal reflection
- 33. Multiple ChoiceA light ray hits a plane surface at 20 degrees. What is the angle between the incident and reflected rays.20o40o70o30o
- 34. Multiple ChoiceWhat is a property of a transparent object?Almost all of the light rays that reach it are scattered.Almost all of the light rays that reach it are absorbed.Almost all of the light rays that reach it are reflected.Almost all of the light rays that reach it pass through it.
- 35. Multiple ChoiceWhat is most likely to happen to light that hits an opaque object?All of the light passes through the object.None of the light passes through the object.Most of the light disappears.Some of the light passes through the object.
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