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- 1. 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 - 2. 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 - 3. 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
- 4. 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
- 5. 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
- 6. 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. - 7. Multiple ChoiceGlass has a _____________ index of refraction than air.EqualGreaterLessImpossible to say
- 8. Multiple ChoiceThe fact the two angles are the same is an example of....RefractionAngle of IncidenceLaw of reflectionMagnification
- 9. Multiple ChoiceThis shows the phenomenon known as....reflectionrefractionmirrorsfocal point
- 10. 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
- 11. Multiple ChoiceHow does light behave as it enters these mediums?continue its path as straight line.bends toward the normalbends away from the normalreflects
- 12. Multiple ChoiceThe velocity of light in vacuum is _______ m/s.3x1083x10123x1063x1010
- 13. Multiple ChoiceThe formula to calculate the refractive index isn=cvn=v/cn=c/vv=nc
- 14. Multiple ChoiceLight travels at 1.76 EE 8 m/s through an optical medium. What is the medium?
diamond n=2.45
flint glass n=1.70
barium glass n=1.60
crown glass n=1.523Crown GlassBarium GlassFlint GlassDiamond - 15. Multiple ChoiceWhen a red light ray travels from air into a glass block, itsvelocity increases and its wavelength decreasesvelocity decreases and its frequency stays the samevelocity decreases and its frequency increasesvelocity remains the same and its wavelength decreases
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