Refraction through a Prism
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PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365076 A certain prism is found to produce a minimum deviation of \(38^\circ \) . It produces a deviation of when the angle of incidence is either \(42^\circ \) or \(62^\circ \) . What is the angle of incidence when it is undergoing minimum deviation?

1 \(49^\circ \)
2 \(30^\circ \)
3 \(60^\circ \)
4 \(40^\circ \)
KCET - 2019
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365077 Three prisms 1,2 and 3 have the prism angle \(A = 60^\circ ,\) but their refractive indices are respectively 1.4, 1.5 and 1.6. If \({\delta _1},{\delta _2},{\delta _3}\) be their respective angles of deviation then

1 \({\delta _1} > {\delta _2} > {\delta _3}\)
2 \({\delta _3} > {\delta _2} > {\delta _1}\)
3 \({\delta _2} > {\delta _1} > {\delta _3}\)
4 \({\delta _1} = {\delta _2} = {\delta _3}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365078 A prism of crown glass with refracting angle of \(5^{\circ}\) and mean refractive index \(=1.51\) is combined with a flint glass prism of refractive index \(=1.65\) to produce no deviation. Find the angle of flint glass.

1 \({3.92^ \circ }\)
2 \({4.68^ \circ }\)
3 \({5.32^ \circ }\)
4 \({7.28^ \circ }\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365079 In the achromatic prism, we have

1 Deviation without dispersion
2 Dispersion without deviation
3 Refraction without deviation
4 Deviation and dispersion
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PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365076 A certain prism is found to produce a minimum deviation of \(38^\circ \) . It produces a deviation of when the angle of incidence is either \(42^\circ \) or \(62^\circ \) . What is the angle of incidence when it is undergoing minimum deviation?

1 \(49^\circ \)
2 \(30^\circ \)
3 \(60^\circ \)
4 \(40^\circ \)
KCET - 2019
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365077 Three prisms 1,2 and 3 have the prism angle \(A = 60^\circ ,\) but their refractive indices are respectively 1.4, 1.5 and 1.6. If \({\delta _1},{\delta _2},{\delta _3}\) be their respective angles of deviation then

1 \({\delta _1} > {\delta _2} > {\delta _3}\)
2 \({\delta _3} > {\delta _2} > {\delta _1}\)
3 \({\delta _2} > {\delta _1} > {\delta _3}\)
4 \({\delta _1} = {\delta _2} = {\delta _3}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365078 A prism of crown glass with refracting angle of \(5^{\circ}\) and mean refractive index \(=1.51\) is combined with a flint glass prism of refractive index \(=1.65\) to produce no deviation. Find the angle of flint glass.

1 \({3.92^ \circ }\)
2 \({4.68^ \circ }\)
3 \({5.32^ \circ }\)
4 \({7.28^ \circ }\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365079 In the achromatic prism, we have

1 Deviation without dispersion
2 Dispersion without deviation
3 Refraction without deviation
4 Deviation and dispersion
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PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365076 A certain prism is found to produce a minimum deviation of \(38^\circ \) . It produces a deviation of when the angle of incidence is either \(42^\circ \) or \(62^\circ \) . What is the angle of incidence when it is undergoing minimum deviation?

1 \(49^\circ \)
2 \(30^\circ \)
3 \(60^\circ \)
4 \(40^\circ \)
KCET - 2019
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365077 Three prisms 1,2 and 3 have the prism angle \(A = 60^\circ ,\) but their refractive indices are respectively 1.4, 1.5 and 1.6. If \({\delta _1},{\delta _2},{\delta _3}\) be their respective angles of deviation then

1 \({\delta _1} > {\delta _2} > {\delta _3}\)
2 \({\delta _3} > {\delta _2} > {\delta _1}\)
3 \({\delta _2} > {\delta _1} > {\delta _3}\)
4 \({\delta _1} = {\delta _2} = {\delta _3}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365078 A prism of crown glass with refracting angle of \(5^{\circ}\) and mean refractive index \(=1.51\) is combined with a flint glass prism of refractive index \(=1.65\) to produce no deviation. Find the angle of flint glass.

1 \({3.92^ \circ }\)
2 \({4.68^ \circ }\)
3 \({5.32^ \circ }\)
4 \({7.28^ \circ }\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365079 In the achromatic prism, we have

1 Deviation without dispersion
2 Dispersion without deviation
3 Refraction without deviation
4 Deviation and dispersion
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PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365076 A certain prism is found to produce a minimum deviation of \(38^\circ \) . It produces a deviation of when the angle of incidence is either \(42^\circ \) or \(62^\circ \) . What is the angle of incidence when it is undergoing minimum deviation?

1 \(49^\circ \)
2 \(30^\circ \)
3 \(60^\circ \)
4 \(40^\circ \)
KCET - 2019
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365077 Three prisms 1,2 and 3 have the prism angle \(A = 60^\circ ,\) but their refractive indices are respectively 1.4, 1.5 and 1.6. If \({\delta _1},{\delta _2},{\delta _3}\) be their respective angles of deviation then

1 \({\delta _1} > {\delta _2} > {\delta _3}\)
2 \({\delta _3} > {\delta _2} > {\delta _1}\)
3 \({\delta _2} > {\delta _1} > {\delta _3}\)
4 \({\delta _1} = {\delta _2} = {\delta _3}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365078 A prism of crown glass with refracting angle of \(5^{\circ}\) and mean refractive index \(=1.51\) is combined with a flint glass prism of refractive index \(=1.65\) to produce no deviation. Find the angle of flint glass.

1 \({3.92^ \circ }\)
2 \({4.68^ \circ }\)
3 \({5.32^ \circ }\)
4 \({7.28^ \circ }\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365079 In the achromatic prism, we have

1 Deviation without dispersion
2 Dispersion without deviation
3 Refraction without deviation
4 Deviation and dispersion
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