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Refraction

when light of...

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when light of wavelengh 5000A^° in vaccum travels through same thickness in glass and water,the difference in the number of waves is 400.find thickness.(refractive indices of glass and water are 3/2and 4/3 respectively

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Q. When light of wavelength

5000 ˚ A

in vacuum travels through same thickness in glass and water, the difference in the number of waves is

400

. Find the thickness (Refractive index of glass and water are

\frac{3}{2}

\frac{4}{3}

Q. When a light of wavelength

4000

\circ A

in vacuum travels through the same thickness in diamond and water separately, the difference in the number of waves is

200

. Find the thickness, if refractive indices of diamond and water are

\frac{5}{2}

\frac{4}{3}

Q. When the same monochromatic ray of light travels through glass slab and through water, the number of waves in glass slab of thickness

6 c m

is same as in water column of height

7 c m

. If refractive index of glass is

1.5

then refractive index of water is :

Q. The number of waves in a glass slab of thickness

4

cm is the same as in a water column of height

5

cm, when the same monochromatic ray of light travels through them. What is the refractive index of water if the refractive index of glass is

\frac{5}{3}

?

Q. Find the critical angle of the ray of light traveling from glass to water, if refractive indices of glass and water are

5 / 3

4 / 3

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