1. | the refracted light will be completely polarised. |
2. | both the reflected and refracted light will be completely polarised. |
3. | the reflected light will be completely polarised but the refracted light will be partially polarised. |
4. | the reflected light will be partially polarised. |
1. | \(60^\circ\) | 2. | \(75^\circ\) |
3. | \(30^\circ\) | 4. | \(45^\circ\) |
1. | \(\frac{I}{2}\) | 2. | \(\frac{I}{3}\) |
3. | \(\frac{3I}{4}\) | 4. | \(\frac{2I}{3}\) |
The Brewster's angle for an interface should be:
1. \(30^{\circ}<i_b<45^{\circ}\)
2. \(45^{\circ}<i_b<90^{\circ}\)
3. \(i_b=90^{\circ}\)
4. \(0^{\circ}<i_b<30^{\circ}\)