MCQOPTIONS
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MCQOPTIONS
| 1. |
A ray of light is incident at \[50{}^\circ \] on the middle of one of the two plane mirrors arranged at an angle of \[60{}^\circ \]between them. The ray then touches the second mirror, get reflected back to the first mirror, making an angle of incidence of |
| A. | \[50{}^\circ \] |
| B. | \[60{}^\circ \] |
| C. | \[70{}^\circ \] |
| D. | \[80{}^\circ \] |
| Answer» D. \[80{}^\circ \] | |