(b) How does the index of refraction relate to the speed of light in a medium? If the index of refraction of water is 1.33, calculate the speed of light in water. Give one application of total internal reflection.
(b) How does the index of refraction relate to the speed of light in a medium? If the index of refraction of water is 1.33, calculate the speed of light in water. Give one application of total internal reflection.
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Transcribed Image Text:(b) How does the index of refraction relate to the speed of light in a medium? If the index of refraction of water
is 1.33, calculate the speed of light in water.
Give one application of total internal reflection.
![1. In an experiment to discover the effect of centripetal force on velocity, an object of mass m was swung on
the end of a string in a horizontal circular path of radius r.
F = mv²ir [Equation 1]
F = mv/r
The string tension provided the centripetal force Fthat produced the centripetal acceleration and kept the
object revolving in its circular path.
The centripetal force was determined by using a spring scale or force sensor that measured the tension on the
string.
By timing the revolutions and calculating the distance traveled by the object, the velocity v of the object was
determined.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F54935946-f7c1-4e76-8623-6d510cdc762a%2Ff15c0e17-f7f4-4f54-a5c6-4cbf37011cbb%2Flsl8hy_processed.png&w=3840&q=75)
Transcribed Image Text:1. In an experiment to discover the effect of centripetal force on velocity, an object of mass m was swung on
the end of a string in a horizontal circular path of radius r.
F = mv²ir [Equation 1]
F = mv/r
The string tension provided the centripetal force Fthat produced the centripetal acceleration and kept the
object revolving in its circular path.
The centripetal force was determined by using a spring scale or force sensor that measured the tension on the
string.
By timing the revolutions and calculating the distance traveled by the object, the velocity v of the object was
determined.
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