Wave Nature of Light, wave front
WAVE OPTICS

283089 For the same angle of incidence, the angles of refraction in media ' \(P\) ', ' \(Q\) ', ' \(R\) ' and ' \(S\) ' are \(50^{\circ}, \mathbf{4 0}^{\circ}, \mathbf{3 0}^{\circ}, \mathbf{2 0}\) respectively. The speed of light is minimum in medium

1 \(\mathrm{P}\)
2 Q
3 \(\mathrm{R}\)
4 \(\mathrm{S}\)
WAVE OPTICS

283090 In vacuum, to travel distance ' \(d\) ', light takes time ' \(t\) ' and in medium to travel distance ' \(5 \mathrm{~d}\) ', it takes time ' \(T\) '. The critical angle of the medium is

1 \(\sin ^{-1}\left(\frac{5 \mathrm{~T}}{\mathrm{t}}\right)\)
2 \(\sin ^{-1}\left(\frac{5 t}{3 T}\right)\)
3 \(\sin ^{-1}\left(\frac{5 t}{T}\right)\)
4 \(\sin ^{-1}\left(\frac{3 \mathrm{t}}{5 \mathrm{~T}}\right)\)
WAVE OPTICS

283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)

1 \(15^{\circ}\)
2 \(30^{\circ}\)
3 \(45^{\circ}\)
4 \(90^{\circ}\)
WAVE OPTICS

283088 Assertion: The colour of the green flower seen through red glass appears to be dark.
Reason: Red glass transmits only red light.

1 If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are correct but Reason in not a correct explanation of the Assertion.
3 If the Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
5 If the Assertion is incorrect but the Reason is correct.
WAVE OPTICS

283089 For the same angle of incidence, the angles of refraction in media ' \(P\) ', ' \(Q\) ', ' \(R\) ' and ' \(S\) ' are \(50^{\circ}, \mathbf{4 0}^{\circ}, \mathbf{3 0}^{\circ}, \mathbf{2 0}\) respectively. The speed of light is minimum in medium

1 \(\mathrm{P}\)
2 Q
3 \(\mathrm{R}\)
4 \(\mathrm{S}\)
WAVE OPTICS

283090 In vacuum, to travel distance ' \(d\) ', light takes time ' \(t\) ' and in medium to travel distance ' \(5 \mathrm{~d}\) ', it takes time ' \(T\) '. The critical angle of the medium is

1 \(\sin ^{-1}\left(\frac{5 \mathrm{~T}}{\mathrm{t}}\right)\)
2 \(\sin ^{-1}\left(\frac{5 t}{3 T}\right)\)
3 \(\sin ^{-1}\left(\frac{5 t}{T}\right)\)
4 \(\sin ^{-1}\left(\frac{3 \mathrm{t}}{5 \mathrm{~T}}\right)\)
WAVE OPTICS

283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)

1 \(15^{\circ}\)
2 \(30^{\circ}\)
3 \(45^{\circ}\)
4 \(90^{\circ}\)
WAVE OPTICS

283088 Assertion: The colour of the green flower seen through red glass appears to be dark.
Reason: Red glass transmits only red light.

1 If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are correct but Reason in not a correct explanation of the Assertion.
3 If the Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
5 If the Assertion is incorrect but the Reason is correct.
WAVE OPTICS

283089 For the same angle of incidence, the angles of refraction in media ' \(P\) ', ' \(Q\) ', ' \(R\) ' and ' \(S\) ' are \(50^{\circ}, \mathbf{4 0}^{\circ}, \mathbf{3 0}^{\circ}, \mathbf{2 0}\) respectively. The speed of light is minimum in medium

1 \(\mathrm{P}\)
2 Q
3 \(\mathrm{R}\)
4 \(\mathrm{S}\)
WAVE OPTICS

283090 In vacuum, to travel distance ' \(d\) ', light takes time ' \(t\) ' and in medium to travel distance ' \(5 \mathrm{~d}\) ', it takes time ' \(T\) '. The critical angle of the medium is

1 \(\sin ^{-1}\left(\frac{5 \mathrm{~T}}{\mathrm{t}}\right)\)
2 \(\sin ^{-1}\left(\frac{5 t}{3 T}\right)\)
3 \(\sin ^{-1}\left(\frac{5 t}{T}\right)\)
4 \(\sin ^{-1}\left(\frac{3 \mathrm{t}}{5 \mathrm{~T}}\right)\)
WAVE OPTICS

283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)

1 \(15^{\circ}\)
2 \(30^{\circ}\)
3 \(45^{\circ}\)
4 \(90^{\circ}\)
WAVE OPTICS

283088 Assertion: The colour of the green flower seen through red glass appears to be dark.
Reason: Red glass transmits only red light.

1 If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are correct but Reason in not a correct explanation of the Assertion.
3 If the Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
5 If the Assertion is incorrect but the Reason is correct.
WAVE OPTICS

283089 For the same angle of incidence, the angles of refraction in media ' \(P\) ', ' \(Q\) ', ' \(R\) ' and ' \(S\) ' are \(50^{\circ}, \mathbf{4 0}^{\circ}, \mathbf{3 0}^{\circ}, \mathbf{2 0}\) respectively. The speed of light is minimum in medium

1 \(\mathrm{P}\)
2 Q
3 \(\mathrm{R}\)
4 \(\mathrm{S}\)
WAVE OPTICS

283090 In vacuum, to travel distance ' \(d\) ', light takes time ' \(t\) ' and in medium to travel distance ' \(5 \mathrm{~d}\) ', it takes time ' \(T\) '. The critical angle of the medium is

1 \(\sin ^{-1}\left(\frac{5 \mathrm{~T}}{\mathrm{t}}\right)\)
2 \(\sin ^{-1}\left(\frac{5 t}{3 T}\right)\)
3 \(\sin ^{-1}\left(\frac{5 t}{T}\right)\)
4 \(\sin ^{-1}\left(\frac{3 \mathrm{t}}{5 \mathrm{~T}}\right)\)
WAVE OPTICS

283091 A plane wave travelling with velocity ' \(v\) ' in a medium \(A\) reaches a point on the interface of medium \(A\) and medium (B) If velocity of sound in medium B is \(2 v\), the angle of incidence for total internal reflection of the wave will be greater than \(\left(\sin 30^{\circ}=0.5\right.\) and \(\left.\sin 90^{\circ}=1\right)\)

1 \(15^{\circ}\)
2 \(30^{\circ}\)
3 \(45^{\circ}\)
4 \(90^{\circ}\)
WAVE OPTICS

283088 Assertion: The colour of the green flower seen through red glass appears to be dark.
Reason: Red glass transmits only red light.

1 If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
2 If both Assertion and Reason are correct but Reason in not a correct explanation of the Assertion.
3 If the Assertion is correct but Reason is incorrect.
4 If both the Assertion and Reason are incorrect.
5 If the Assertion is incorrect but the Reason is correct.