MCQ
Digital movie projectors work on the principle of
- ✓Reflection from micromirrors
- BRefraction from thin lenses
- CDispersion from thin prisms
- DTotal internal reflection from optical fibres
✓
Answer
Correct option: A.
Reflection from micromirrors
a
(a)
(a)
Digital movie projectors need parabolic mirrors to converge all incident rays fo a point.
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