A ray of light travelling in air strikes the glass surface at an angle of incidence 60- Find the angle of refraction in glass if refractive index of glass is 3-2 - given sin 60-3-2 and -sin 35-1-3

The correct option is A 350aμ g = 3/2= sin i/sin r Or sin r = sin 60^∘/3/2 sin r = 1/√(3) r = 1/√(3) ...

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Standard X

Physics

Angle of Deviation in Prism

A ray of ligh...

Question

A ray of light travelling in air strikes the glass surface at an angle of incidence $60^{\circ}$ . Find the angle of refraction in glass if refractive index of glass is $\frac{3}{2}$ ? (given $s i n 60^{\circ} = \frac{\sqrt{3}}{2}$ and $s i n 35^{\circ} = \frac{1}{\sqrt{3}}$ )

45⁰

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90⁰

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35⁰

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15⁰

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Solution

The correct option is C
35⁰

$a μ g = \frac{3}{2} = \frac{s i n i}{s i n r}$
Or $s i n r = \frac{s i n 60^{\circ}}{\frac{3}{2}}$
$s i n r = \frac{1}{\sqrt{3}}$
$r = \frac{1}{\sqrt{3}}$

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A ray of light travelling in air strikes the glass surface at an angle of incidence 60∘. Find the angle of refraction in glass if refractive index of glass is 32? (given sin60∘=√32 and sin35∘=1√3)

The correct option is C 350aμg=32=sin isin r Or sinr=sin60∘32 sin r=1√3 r=1√3

A ray of light travelling in air strikes the glass surface at an angle of incidence $60^{\circ}$ . Find the angle of refraction in glass if refractive index of glass is $\frac{3}{2}$ ? (given $s i n 60^{\circ} = \frac{\sqrt{3}}{2}$ and $s i n 35^{\circ} = \frac{1}{\sqrt{3}}$ )

The correct option is C
35⁰

$a μ g = \frac{3}{2} = \frac{s i n i}{s i n r}$
Or $s i n r = \frac{s i n 60^{\circ}}{\frac{3}{2}}$
$s i n r = \frac{1}{\sqrt{3}}$
$r = \frac{1}{\sqrt{3}}$