Converging Lens Quiz PDF: Questions and Answers - 51

MCQ 251: The rays passing through the optical center are

1. curved
2. very small
3. refracted
4. not refracted

MCQ 252: The boiling point of mercury is

1. 23 °C
2. 0 °C
3. 45 °C
4. 357 °C

MCQ 253: Many natural events repeat themselves at

1. regular intervals
2. small intervals
3. irregular intervals
4. no intervals

MCQ 254: The point on the reflecting surface where the light ray hits is called

1. point of magnitude
2. angle of incidence
3. point of incidence
4. angle of reflection

MCQ 255: The pressure exerted by the layer of air at sea level is

1. 1.013 × 10⁵
2. 2.013 × 10⁵
3. 0.013 × 10⁵
4. 0.013 × 10⁵