google.com/maiVca/u/o/ inbox/15b3fe 75d56bef91?projector 1 ware Dell 6 CTX Neweg

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google.com/maiVca/u/o/ inbox/15b3fe 75d56bef91?projector 1 ware Dell 6 CTX Newegg a Amazon saplng n facebook C Chegg study C Glossary c. slides Drive safely q Code Avengers c as vs win 10 Tut 4. Light initially travelling in air encounters a new medium and undergoes refraction with an incident angle of 37. Its speed in the new medium has now changed to 2.14 x 10 m/s. what is the angle of refraction for the light now travelling through this new medium? a, 25.5 b, 37.1 c, 57,6 d, 76.1 s. Alight ray travels downward from air into water that is contained in a wide glass aquarium. If

Explanation / Answer

here,

the speed in new medium , v = 2.14 * 10^8 m/s

the refractive index of the seccond medium , n = c/v

n = 3 * 10^8 /( 2.14 * 10^8)

n = 1.4

the angle of incidence , i = 37 degree

let the angle of refraction be r

using the snell's law

sin(r)/sin(i) = 1/n

sin(r) = sin(37) /1.4

r = 25.5 degree

the angle of refarction is a) 25.5 degree

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