Convex mirror is used as
a shaving mirror
a rear view mirror
a reflector
a doctor's head mirror
_______ are used in construction of reflecting periscope.
Plane mirrors
Concave mirror
Concave lens
Convex mirror
In a convex mirror, the image formed is
Virtual, Inverted and Diminished
Real, Inverted and Diminished
Virtual, Upright and Magnified
Virtual, Upright and Diminished
If angle of incidence i = 60 °, then r = ?
120°
30°
100°
60°
For a spherical mirror:
f = R
f = 2R
Which of the following sentence is true for a real image?
A real image can be obtained on a screen
A real image is erect
A real image is formed by a plane mirror
A convex mirror produces a real image
An object is placed between two plane mirrors inclined at an angle of 50 °. Then the number of images formed is
5
7
8
10
A man standing in front of a plane mirror, finds his image at a distance 6 m from himself. Then the distance of man from the mirror is:
3 m
6 m
12 m
2 m
When a concave mirror is used as a shaving mirror, then the person's face is:
in the center of curvature
between the pole and the focus of mirror
behind the mirror
between center of curvature and focus
The incident ray and the reflected ray from a mirror are mutually perpendicular to each other. Then the angle of incidence.
90 °
100 °
80 °
45 °
