MCQOPTIONS
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MCQOPTIONS
| 1. |
A prism of dispersive power 0.021 and refractive index 1.53 form an achromatic combination with prism of angle \[4.2{}^\circ \] and dispersive power 0.045 having refractive index 1.65. Find the resultant deviation. |
| A. | \[1.12{}^\circ \] |
| B. | \[2.16{}^\circ \] |
| C. | \[3.12{}^\circ \] |
| D. | \[4.18{}^\circ \] |
| Answer» D. \[4.18{}^\circ \] | |