Refraction through a Glass Slab, and Total Internal Reflection
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Ray Optics

282232 Light rays are travelling from denser to rarer medium. The velocity of light in rarer medium is double that of denser medium, then the value of critical angle for this travel will be

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(75^{\circ}\)
Tripura-2020
Ray Optics

282233 When light travels from medium 1 to medium
2. The total internal reflection occurs when:

1 Medium 1 has higher index of refraction than that a medium 2
2 The angle of incidence is small enough for the refraction to occur in medium 2
3 Medium 1 has smaller index of refraction than that of medium 2
4 Light travels faster in the medium 1 than in medium 2
TS EAMCET 29.09.2020
Ray Optics

282234 The critical angle for light travelling from medium \(P\) to medium \(Q\) is ' \(\theta\) '. The speed of light in medium \(P\) is ' \(V\) '. Then the speed of light in medium \(Q\) is

1 \(v \cdot \cos \theta\)
2 \(\mathrm{v}(1-\cos \theta)\)
3 \(\frac{\mathrm{V}}{\cos \theta}\)
4 \(\frac{\mathrm{V}}{\sin \theta}\)
MHT-CET 2020
Ray Optics

282235 A glass slab of thickness \(4 \mathrm{~cm}\) contains the same number of waves as in ' \(x\) ' \(\mathrm{cm}\) of water column when both are traversed by the same monochromatic light. If the refractive indices of glass and water for that light are \(\frac{5}{3}\) and \(\frac{4}{3}\) respectively, the value of \(x\) will be

1 \(\frac{9}{20} \mathrm{~cm}\)
2 \(\frac{20}{9} \mathrm{~cm}\)
3 \(5 \mathrm{~cm}\)
4 \(\frac{5}{4} \mathrm{~cm}\)
MHT-CET 2020
For More Updates join with Us
Ray Optics

282232 Light rays are travelling from denser to rarer medium. The velocity of light in rarer medium is double that of denser medium, then the value of critical angle for this travel will be

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(75^{\circ}\)
Tripura-2020
Ray Optics

282233 When light travels from medium 1 to medium
2. The total internal reflection occurs when:

1 Medium 1 has higher index of refraction than that a medium 2
2 The angle of incidence is small enough for the refraction to occur in medium 2
3 Medium 1 has smaller index of refraction than that of medium 2
4 Light travels faster in the medium 1 than in medium 2
TS EAMCET 29.09.2020
Ray Optics

282234 The critical angle for light travelling from medium \(P\) to medium \(Q\) is ' \(\theta\) '. The speed of light in medium \(P\) is ' \(V\) '. Then the speed of light in medium \(Q\) is

1 \(v \cdot \cos \theta\)
2 \(\mathrm{v}(1-\cos \theta)\)
3 \(\frac{\mathrm{V}}{\cos \theta}\)
4 \(\frac{\mathrm{V}}{\sin \theta}\)
MHT-CET 2020
Ray Optics

282235 A glass slab of thickness \(4 \mathrm{~cm}\) contains the same number of waves as in ' \(x\) ' \(\mathrm{cm}\) of water column when both are traversed by the same monochromatic light. If the refractive indices of glass and water for that light are \(\frac{5}{3}\) and \(\frac{4}{3}\) respectively, the value of \(x\) will be

1 \(\frac{9}{20} \mathrm{~cm}\)
2 \(\frac{20}{9} \mathrm{~cm}\)
3 \(5 \mathrm{~cm}\)
4 \(\frac{5}{4} \mathrm{~cm}\)
MHT-CET 2020
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Ray Optics

282232 Light rays are travelling from denser to rarer medium. The velocity of light in rarer medium is double that of denser medium, then the value of critical angle for this travel will be

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(75^{\circ}\)
Tripura-2020
Ray Optics

282233 When light travels from medium 1 to medium
2. The total internal reflection occurs when:

1 Medium 1 has higher index of refraction than that a medium 2
2 The angle of incidence is small enough for the refraction to occur in medium 2
3 Medium 1 has smaller index of refraction than that of medium 2
4 Light travels faster in the medium 1 than in medium 2
TS EAMCET 29.09.2020
Ray Optics

282234 The critical angle for light travelling from medium \(P\) to medium \(Q\) is ' \(\theta\) '. The speed of light in medium \(P\) is ' \(V\) '. Then the speed of light in medium \(Q\) is

1 \(v \cdot \cos \theta\)
2 \(\mathrm{v}(1-\cos \theta)\)
3 \(\frac{\mathrm{V}}{\cos \theta}\)
4 \(\frac{\mathrm{V}}{\sin \theta}\)
MHT-CET 2020
Ray Optics

282235 A glass slab of thickness \(4 \mathrm{~cm}\) contains the same number of waves as in ' \(x\) ' \(\mathrm{cm}\) of water column when both are traversed by the same monochromatic light. If the refractive indices of glass and water for that light are \(\frac{5}{3}\) and \(\frac{4}{3}\) respectively, the value of \(x\) will be

1 \(\frac{9}{20} \mathrm{~cm}\)
2 \(\frac{20}{9} \mathrm{~cm}\)
3 \(5 \mathrm{~cm}\)
4 \(\frac{5}{4} \mathrm{~cm}\)
MHT-CET 2020
Join With Us for More Updates
Ray Optics

282232 Light rays are travelling from denser to rarer medium. The velocity of light in rarer medium is double that of denser medium, then the value of critical angle for this travel will be

1 \(30^{\circ}\)
2 \(45^{\circ}\)
3 \(60^{\circ}\)
4 \(75^{\circ}\)
Tripura-2020
Ray Optics

282233 When light travels from medium 1 to medium
2. The total internal reflection occurs when:

1 Medium 1 has higher index of refraction than that a medium 2
2 The angle of incidence is small enough for the refraction to occur in medium 2
3 Medium 1 has smaller index of refraction than that of medium 2
4 Light travels faster in the medium 1 than in medium 2
TS EAMCET 29.09.2020
Ray Optics

282234 The critical angle for light travelling from medium \(P\) to medium \(Q\) is ' \(\theta\) '. The speed of light in medium \(P\) is ' \(V\) '. Then the speed of light in medium \(Q\) is

1 \(v \cdot \cos \theta\)
2 \(\mathrm{v}(1-\cos \theta)\)
3 \(\frac{\mathrm{V}}{\cos \theta}\)
4 \(\frac{\mathrm{V}}{\sin \theta}\)
MHT-CET 2020
Ray Optics

282235 A glass slab of thickness \(4 \mathrm{~cm}\) contains the same number of waves as in ' \(x\) ' \(\mathrm{cm}\) of water column when both are traversed by the same monochromatic light. If the refractive indices of glass and water for that light are \(\frac{5}{3}\) and \(\frac{4}{3}\) respectively, the value of \(x\) will be

1 \(\frac{9}{20} \mathrm{~cm}\)
2 \(\frac{20}{9} \mathrm{~cm}\)
3 \(5 \mathrm{~cm}\)
4 \(\frac{5}{4} \mathrm{~cm}\)
MHT-CET 2020
For More Updates join with Us