Polarisation
PHXII10:WAVE OPTICS

367884 When an unpolarised light is incident at an angle of \(60^{\circ}\) on a transparent medium from air, the reflected ray is completely polarised. The angle of refraction in the medium is

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(90^{\circ}\)
4 \(60^{\circ}\)
PHXII10:WAVE OPTICS

367885 The polarising angle for transparent medium is \(\theta \) and \(v\) is the speed of light in that medium. Then the relation between \(\theta \) and \(v\) is ( \(c\) = velocity of light in air)

1 \(\theta = {\tan ^{ - 1}}\left( {\frac{v}{c}} \right)\)
2 \(\theta = {\cot ^{ - 1}}\left( {\frac{v}{c}} \right)\)
3 \(\theta = {\sin ^{ - 1}}\left( {\frac{v}{c}} \right)\)
4 \(\theta = {\cos ^{ - 1}}\left( {\frac{v}{c}} \right)\)
PHXII10:WAVE OPTICS

367886 An unpolarised light beam strikes a glass surface at Brewster's angle. Then

1 The reflected light will be partially polarised.
2 The refracted light will be completely polarised.
3 Both the reflected and refracted light will be completely polarised.
4 The reflected light will be completely polarised but the refracted light will be partially polarised.
PHXII10:WAVE OPTICS

367887 Light waves can be polarised as they are

1 Of high frequency
2 Transverse
3 Reflected
4 Longitudinal
PHXII10:WAVE OPTICS

367888 Unpolarised light is incident on a dielectric of refractive index \({\sqrt 3 }\) , what is the angle of incidence if the reflected beam is completely polarised?

1 \(30^\circ \)
2 \(45^\circ \)
3 \(60^\circ \)
4 \(75^\circ \)
PHXII10:WAVE OPTICS

367884 When an unpolarised light is incident at an angle of \(60^{\circ}\) on a transparent medium from air, the reflected ray is completely polarised. The angle of refraction in the medium is

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(90^{\circ}\)
4 \(60^{\circ}\)
PHXII10:WAVE OPTICS

367885 The polarising angle for transparent medium is \(\theta \) and \(v\) is the speed of light in that medium. Then the relation between \(\theta \) and \(v\) is ( \(c\) = velocity of light in air)

1 \(\theta = {\tan ^{ - 1}}\left( {\frac{v}{c}} \right)\)
2 \(\theta = {\cot ^{ - 1}}\left( {\frac{v}{c}} \right)\)
3 \(\theta = {\sin ^{ - 1}}\left( {\frac{v}{c}} \right)\)
4 \(\theta = {\cos ^{ - 1}}\left( {\frac{v}{c}} \right)\)
PHXII10:WAVE OPTICS

367886 An unpolarised light beam strikes a glass surface at Brewster's angle. Then

1 The reflected light will be partially polarised.
2 The refracted light will be completely polarised.
3 Both the reflected and refracted light will be completely polarised.
4 The reflected light will be completely polarised but the refracted light will be partially polarised.
PHXII10:WAVE OPTICS

367887 Light waves can be polarised as they are

1 Of high frequency
2 Transverse
3 Reflected
4 Longitudinal
PHXII10:WAVE OPTICS

367888 Unpolarised light is incident on a dielectric of refractive index \({\sqrt 3 }\) , what is the angle of incidence if the reflected beam is completely polarised?

1 \(30^\circ \)
2 \(45^\circ \)
3 \(60^\circ \)
4 \(75^\circ \)
PHXII10:WAVE OPTICS

367884 When an unpolarised light is incident at an angle of \(60^{\circ}\) on a transparent medium from air, the reflected ray is completely polarised. The angle of refraction in the medium is

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(90^{\circ}\)
4 \(60^{\circ}\)
PHXII10:WAVE OPTICS

367885 The polarising angle for transparent medium is \(\theta \) and \(v\) is the speed of light in that medium. Then the relation between \(\theta \) and \(v\) is ( \(c\) = velocity of light in air)

1 \(\theta = {\tan ^{ - 1}}\left( {\frac{v}{c}} \right)\)
2 \(\theta = {\cot ^{ - 1}}\left( {\frac{v}{c}} \right)\)
3 \(\theta = {\sin ^{ - 1}}\left( {\frac{v}{c}} \right)\)
4 \(\theta = {\cos ^{ - 1}}\left( {\frac{v}{c}} \right)\)
PHXII10:WAVE OPTICS

367886 An unpolarised light beam strikes a glass surface at Brewster's angle. Then

1 The reflected light will be partially polarised.
2 The refracted light will be completely polarised.
3 Both the reflected and refracted light will be completely polarised.
4 The reflected light will be completely polarised but the refracted light will be partially polarised.
PHXII10:WAVE OPTICS

367887 Light waves can be polarised as they are

1 Of high frequency
2 Transverse
3 Reflected
4 Longitudinal
PHXII10:WAVE OPTICS

367888 Unpolarised light is incident on a dielectric of refractive index \({\sqrt 3 }\) , what is the angle of incidence if the reflected beam is completely polarised?

1 \(30^\circ \)
2 \(45^\circ \)
3 \(60^\circ \)
4 \(75^\circ \)
PHXII10:WAVE OPTICS

367884 When an unpolarised light is incident at an angle of \(60^{\circ}\) on a transparent medium from air, the reflected ray is completely polarised. The angle of refraction in the medium is

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(90^{\circ}\)
4 \(60^{\circ}\)
PHXII10:WAVE OPTICS

367885 The polarising angle for transparent medium is \(\theta \) and \(v\) is the speed of light in that medium. Then the relation between \(\theta \) and \(v\) is ( \(c\) = velocity of light in air)

1 \(\theta = {\tan ^{ - 1}}\left( {\frac{v}{c}} \right)\)
2 \(\theta = {\cot ^{ - 1}}\left( {\frac{v}{c}} \right)\)
3 \(\theta = {\sin ^{ - 1}}\left( {\frac{v}{c}} \right)\)
4 \(\theta = {\cos ^{ - 1}}\left( {\frac{v}{c}} \right)\)
PHXII10:WAVE OPTICS

367886 An unpolarised light beam strikes a glass surface at Brewster's angle. Then

1 The reflected light will be partially polarised.
2 The refracted light will be completely polarised.
3 Both the reflected and refracted light will be completely polarised.
4 The reflected light will be completely polarised but the refracted light will be partially polarised.
PHXII10:WAVE OPTICS

367887 Light waves can be polarised as they are

1 Of high frequency
2 Transverse
3 Reflected
4 Longitudinal
PHXII10:WAVE OPTICS

367888 Unpolarised light is incident on a dielectric of refractive index \({\sqrt 3 }\) , what is the angle of incidence if the reflected beam is completely polarised?

1 \(30^\circ \)
2 \(45^\circ \)
3 \(60^\circ \)
4 \(75^\circ \)
PHXII10:WAVE OPTICS

367884 When an unpolarised light is incident at an angle of \(60^{\circ}\) on a transparent medium from air, the reflected ray is completely polarised. The angle of refraction in the medium is

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(90^{\circ}\)
4 \(60^{\circ}\)
PHXII10:WAVE OPTICS

367885 The polarising angle for transparent medium is \(\theta \) and \(v\) is the speed of light in that medium. Then the relation between \(\theta \) and \(v\) is ( \(c\) = velocity of light in air)

1 \(\theta = {\tan ^{ - 1}}\left( {\frac{v}{c}} \right)\)
2 \(\theta = {\cot ^{ - 1}}\left( {\frac{v}{c}} \right)\)
3 \(\theta = {\sin ^{ - 1}}\left( {\frac{v}{c}} \right)\)
4 \(\theta = {\cos ^{ - 1}}\left( {\frac{v}{c}} \right)\)
PHXII10:WAVE OPTICS

367886 An unpolarised light beam strikes a glass surface at Brewster's angle. Then

1 The reflected light will be partially polarised.
2 The refracted light will be completely polarised.
3 Both the reflected and refracted light will be completely polarised.
4 The reflected light will be completely polarised but the refracted light will be partially polarised.
PHXII10:WAVE OPTICS

367887 Light waves can be polarised as they are

1 Of high frequency
2 Transverse
3 Reflected
4 Longitudinal
PHXII10:WAVE OPTICS

367888 Unpolarised light is incident on a dielectric of refractive index \({\sqrt 3 }\) , what is the angle of incidence if the reflected beam is completely polarised?

1 \(30^\circ \)
2 \(45^\circ \)
3 \(60^\circ \)
4 \(75^\circ \)