Page 2 - HA-reflection through concave mirror
P. 2
5. Four students A, B, C and D performed the experiment to determine the focal
length of a concave mirror by obtaining the image of a distant tree on a screen. They
measured the distances between the screen and the mirror as shown in the
diagrams given below:
The correct way to measure accurate focal length of the mirror is:
(a) A
(b) B
(c) C
(d) D
6. An object is placed at the centre of curvature of a concave mirror. Its image will be
formed
a) at the focus of the mirror.
b) behind the mirror.
c) at the centre of curvature.
d) beyond the centre of curvature.
7. The type of mirror used in solar furnace is
a) concave.
b) convex.
c) plane.
d) cylindrical.
8. A concave mirror forms a real image of an object. The image would be