| 1. | emerges parallel to the principal axis |
| 2. | appears to diverge from the first principal focus |
| 3. | passes through \(2F,\) which is the radius of curvature of the lens |
| 4. | passes through the second principal focus |
| 1. | \(40^\circ\) | 2. | \(45^\circ\) |
| 3. | \(55^\circ\) | 4. | \(35^\circ\) |


| 1. | \(150\) | 2. | \(250\) |
| 3. | \(100\) | 4. | \(125\) |
| 1. | \(4 p\) and \(m^4\) | 2. | \(p^4\) and \(m^4\) |
| 3. | \(4 p\) and \(4 m\) | 4. | \(p^4\) and \(4 m\) |
| 1. | \({\dfrac{\sqrt5}{2}}\) | 2. | \({\dfrac{\sqrt3}{4}}\) |
| 3. | \({\dfrac{\sqrt3}{2}}\) | 4. | \({\dfrac{\sqrt5}{4}}\) |
| 1. | \(i=i'\) | 2. | \(i>i'\) |
| 3. | \(i<i'\) | 4. | \(i=0\) |
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |