If angle of incidence i = 60 °, then r = ?
120°
30°
100°
60°
For a spherical mirror:
f = R
f = 2R
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 °
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
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
The point at which the incident ray strikes the reflecting surface is:
Angle of incidence
Angle of reflection
Point of incidence
Normal
When two mirrors are kept parallel to each other, Then the number of images formed is:
Zero
One
Infinite
Two
Regular reflection occurs when a beam of light falls on a
plane mirror
book
room
table
For what position of object, the image formed by a concave mirror is magnified and erect?
Object is at centre of curvature
Object is at focus
Object is in between principle focus and the pole
Object is at pole
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