An imaginary line drawn perpendicular to the mirror at the point of incidence is called
Incident ray
Reflected ray
Normal
None of these
Concave mirror is used in
Solar devices
Car headlights
Dentist's mirror
All of these
In a concave mirror the object is at the focus, the image is at
at infinity
The focus
Behind the mirror
At the centre of curvature
The distance of the spherical mirror from reflection can takes place is called its
Focal length
Pole
Aperture
The distance between the pole and the principle focus is called,
Radius of curvature
Principle axis
__________ is used as shaving mirrors.
Convex mirror
Plane mirror
Concave mirror
Radius of curvature, r =
f/2
2f
2/3 f
f
_________ is denoted by P.
Principle focus
Principal axis
In a concave mirror, the object is at infinity then the image formed is
Infinity
At the focus
A centre of a spherical mirror is called the
Centre of curvature
Pole of the mirror
Axis of the mirror
