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1. Mirrors having a curved reflecting surface are called as .
2. The spherical mirror with a reflecting surface curved inward is called .
3. The centre of a sphere of which the reflecting surface of a spherical mirror is a part is called .
4. The spherical mirror used as a rear view mirror in the vehicle is .
5. The imaginary line passing through the centre of curvature and pole of a spherical mirror is called .
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