Refraction through a Prism
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365119 Figure shows a mixture of blue, green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red, green and blue are \({46^o},{44^o}\) and \({43^o}\) respectively. The arrangement will separate
supporting img

1 Green colour from red and blue
2 All the three colours
3 Red colour from blue and green
4 Blue colour from red and green
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365120 One of the refracting surface of a prism is silvered. A ray of light incident at an angle \({60^{\circ}}\) retraces its path. If the refractive index of the material of prism is \({\sqrt{3}}\), the angle of prism will be

1 \({30^{\circ}}\)
2 \({45^{\circ}}\)
3 \({53^{\circ}}\)
4 \({60^{\circ}}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365121 A prism \(ABC\) of angle 30° has its face \(AC\) silvered. A ray of light incident at an angle of 45° at the face \(AB\) and it retraces its path after reflection at face \(AC\). The refractive index of the material of the prism is
supporting img

1 \(\frac{3}{{\sqrt 2 }}\)
2 \(1.5\)
3 \(\frac{4}{3}\)
4 \(\sqrt 2 \)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365122 If one face of prism is silvered having prism angle \(30^{\circ}\) and \(\mu=\sqrt{2}\). What will be the angle of incidence, so that the incident ray retraces its path?

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(90^{\circ}\)
4 \(45^{\circ}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365119 Figure shows a mixture of blue, green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red, green and blue are \({46^o},{44^o}\) and \({43^o}\) respectively. The arrangement will separate
supporting img

1 Green colour from red and blue
2 All the three colours
3 Red colour from blue and green
4 Blue colour from red and green
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365120 One of the refracting surface of a prism is silvered. A ray of light incident at an angle \({60^{\circ}}\) retraces its path. If the refractive index of the material of prism is \({\sqrt{3}}\), the angle of prism will be

1 \({30^{\circ}}\)
2 \({45^{\circ}}\)
3 \({53^{\circ}}\)
4 \({60^{\circ}}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365121 A prism \(ABC\) of angle 30° has its face \(AC\) silvered. A ray of light incident at an angle of 45° at the face \(AB\) and it retraces its path after reflection at face \(AC\). The refractive index of the material of the prism is
supporting img

1 \(\frac{3}{{\sqrt 2 }}\)
2 \(1.5\)
3 \(\frac{4}{3}\)
4 \(\sqrt 2 \)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365122 If one face of prism is silvered having prism angle \(30^{\circ}\) and \(\mu=\sqrt{2}\). What will be the angle of incidence, so that the incident ray retraces its path?

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(90^{\circ}\)
4 \(45^{\circ}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365119 Figure shows a mixture of blue, green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red, green and blue are \({46^o},{44^o}\) and \({43^o}\) respectively. The arrangement will separate
supporting img

1 Green colour from red and blue
2 All the three colours
3 Red colour from blue and green
4 Blue colour from red and green
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365120 One of the refracting surface of a prism is silvered. A ray of light incident at an angle \({60^{\circ}}\) retraces its path. If the refractive index of the material of prism is \({\sqrt{3}}\), the angle of prism will be

1 \({30^{\circ}}\)
2 \({45^{\circ}}\)
3 \({53^{\circ}}\)
4 \({60^{\circ}}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365121 A prism \(ABC\) of angle 30° has its face \(AC\) silvered. A ray of light incident at an angle of 45° at the face \(AB\) and it retraces its path after reflection at face \(AC\). The refractive index of the material of the prism is
supporting img

1 \(\frac{3}{{\sqrt 2 }}\)
2 \(1.5\)
3 \(\frac{4}{3}\)
4 \(\sqrt 2 \)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365122 If one face of prism is silvered having prism angle \(30^{\circ}\) and \(\mu=\sqrt{2}\). What will be the angle of incidence, so that the incident ray retraces its path?

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(90^{\circ}\)
4 \(45^{\circ}\)
NEET Test Series from KOTA - 10 Papers In MS WORD WhatsApp Here
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365119 Figure shows a mixture of blue, green and red coloured rays incident normally on a right angled prism. The critical angles of the material of the prism for red, green and blue are \({46^o},{44^o}\) and \({43^o}\) respectively. The arrangement will separate
supporting img

1 Green colour from red and blue
2 All the three colours
3 Red colour from blue and green
4 Blue colour from red and green
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365120 One of the refracting surface of a prism is silvered. A ray of light incident at an angle \({60^{\circ}}\) retraces its path. If the refractive index of the material of prism is \({\sqrt{3}}\), the angle of prism will be

1 \({30^{\circ}}\)
2 \({45^{\circ}}\)
3 \({53^{\circ}}\)
4 \({60^{\circ}}\)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365121 A prism \(ABC\) of angle 30° has its face \(AC\) silvered. A ray of light incident at an angle of 45° at the face \(AB\) and it retraces its path after reflection at face \(AC\). The refractive index of the material of the prism is
supporting img

1 \(\frac{3}{{\sqrt 2 }}\)
2 \(1.5\)
3 \(\frac{4}{3}\)
4 \(\sqrt 2 \)
PHXII09:RAY OPTICS AND OPTICAL INSTRUMENTS

365122 If one face of prism is silvered having prism angle \(30^{\circ}\) and \(\mu=\sqrt{2}\). What will be the angle of incidence, so that the incident ray retraces its path?

1 \(30^{\circ}\)
2 \(60^{\circ}\)
3 \(90^{\circ}\)
4 \(45^{\circ}\)