S.I unit of linear magnification is

The mirror which has a wider field of view is

The imaginary line passing through the centre of curvature and the pole of the mirror is called

From which point all the distances are measured in case of a concave mirror?

No matter how far you stand from a mirror, your image appears erect. The mirror is likely to be

The mirror for which the magnification is always less than 1.

The image formed due to a concave mirror is highly enlarged with the object placed

The mirror which always give diminished image is

Which of the following mirrors is used by Archimedes to burn the ships?

Where is the object placed to get a virtual image in front of concave mirror?