Air or vaccum: 1.00 Water: 1.33 CR39: 1.498 Crown Glass: 1.523 Brium Glass: 1.60

Question

Air or vaccum: 1.00

Water: 1.33

CR39: 1.498

Crown Glass: 1.523

Brium Glass: 1.60

FLint Glass: 1.70

Polycarbonate: 1.586

Diamond: 2.45

1.) A ray of light traveling from ait into crown glass strikes the surface ar an angle of 30 degrees. What will the angle refraction be?

2.) Light travels throught liquid at 2.25x10^8 m/s. What is the index of the liquid?

3.) Light traveling through air encounters a second medium which slows the light to 1.88x10^8 m/s. What is the index of the second medium?

4.) What is the index of refractive medium if the angle of incidence in air is 30 degrees and the angle of refraction is 15 degrees?

5.) What is the index of refraction of a refractibe medium if the angle of incidence in the air is 40 degress and the angle of refraction 29 degrees?

6.) What is the index of refraction of a liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?

7.) If the angle of incidence of light traveling throught air, striking water, is 30 degrees, what is the angle of refraction?

8.) If the index of refraction for a certain glass is 1.50, and the angle of refracion is 15 degrees for a ray of light traveling from air, what is the angle of incidence?

9.) What is the velocity of light in meters per second in a material with an index of 2.0?

10.) A light ray moving through CR39 at an angle of 49 degrees exits into another medium at an angle of 41 degrees. what is the index of the second medium?

11.) What is thew angle of incidence for a light ray traveling from water into flint glass, if the angle of refraction is 30 degrees?

12.) What is the refractive medium if a ray coming from air at an angle of incidence of 50 degrees if refracted through an angle of 35 degrees?

13.) Light travles at 1.76x10^8 m/s through an optical medium. wwhat is the medium?

Explanation / Answer

1.) A ray of light traveling from air into crown glass strikes the surface at an angle of 30 degrees. What will the angle refraction be?

1 sin(30) = 1.523 sin(x)

x = 19.2 degrees

2.) Light travels through liquid at 2.25x10^8 m/s. What is the index of the liquid?

n = c/v = (3*10^8)/ 2.25x10^8 = 1.33

3.) Light traveling through air encounters a second medium which slows the light to 1.88x10^8 m/s. What is the index of the second medium?

n = c/v = (3*10^8)/ 1.88x10^8 = 1.6

4.) What is the index of refractive medium if the angle of incidence in air is 30 degrees and the angle of refraction is 15 degrees?

1 sin(30) = x sin(15)

x =1.93

5.) What is the index of refraction of a refractibe medium if the angle of incidence in the air is 40 degress and the angle of refraction 29 degrees?

1 sin(40) = x sin(29)

x =1.33

6.) What is the index of refraction of a liquid if the angle of incidence in the air is 35 degrees and the angle of refraction is 14 degrees?

1 sin(35) = x sin(14)

x =2.37

7.) If the angle of incidence of light traveling throught air, striking water, is 30 degrees, what is the angle of refraction?

1 sin(30) = 1.33 sin(x)

x = 22.1 degrees

8.) If the index of refraction for a certain glass is 1.50, and the angle of refracion is 15 degrees for a ray of light traveling from air, what is the angle of incidence?

1 sin(x) = 1.5 sin(15)

x = 22.8 degrees

9.) What is the velocity of light in meters per second in a material with an index of 2.0?

v = c/n = = (3*10^8)/2 = 1.5*10^8 m/s

10.) A light ray moving through CR39 at an angle of 49 degrees exits into another medium at an angle of 41 degrees. what is the index of the second medium?

1.498 sin(49) = x sin(41)

x = 1.723

11.) What is thew angle of incidence for a light ray traveling from water into flint glass, if the angle of refraction is 30 degrees?

sin(x) = 1.7*sin(30) / 1.33

x = 39.72 8 degrees

12.) What is the refractive medium if a ray coming from air at an angle of incidence of 50 degrees if refracted through an angle of 35 degrees?

n = 1*sin(50) / sin(35)

n = 1.33 Water

13.) Light travles at 1.76x10^8 m/s through an optical medium. wwhat is the medium?

n = 3x10^8 / 1.76x10^8

n = 1.7 Flint glass

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