1.
State the different positions of source of light with respect to concave
mirror-
a.
In torches
b.
Projector lamps
c.
Flood lights.
Ans.
i.
In torches: -
The source of light is placed at the focus.
ii.
Projector lamps:
- The object is placed at the center of curvature.
iii.
Flood lights: -
The source of light is placed just beyond the centre of curvature.