A plastic light pipe has an index of refraction of 142 for
A plastic light pipe has an index of refraction of 1.42. For total internal reflection, what is the minimum angle of incidence if the pipe is in the following media?
(a) air
___°
(b) water
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a converging lens is placed 200 cm to the right of a diverging lens of focal length 70 cm a beam of parallel light
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a laser beam is incident at an angle of 420deg to the vertical onto a solution of corn syrup in watera if the beam is
a plastic light pipe has an index of refraction of 142 for total internal reflection what is the minimum angle of
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calculate the critical angles for the following materials when surrounded by air assume that 589 nma sodium
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steam produced in a boiler is frequentlywet --- that is it is a saturated mixture of vapour and entrained liquid
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