1. | fringe width decreases. |
2. | fringe width increases. |
3. | central bright fringe becomes dark. |
4. | fringe width remains unaltered. |
1. | forward biased zener diode. |
2. | type of light-emitting diode. |
3. | diode working on the principle of photo-voltaic effect. |
4. | type of photo-diode with external biasing. |
1. | \(12~\Omega\) | 2. | \(9~ \Omega\) |
3. | \(3~ \Omega\) | 4. | \(2~ \Omega\) |
1. | ![]() |
2. | ![]() |
3. | ![]() |
4. | ![]() |
1. | C, B, D | 2. | A, D, E |
3. | C, D, E | 4. | A, B, C |