The distance of the spherical mirror from which reflection can takes place is called :
Focal length
Pole
Aperture
None of these
A virtual image is one which:
Can be taken on a screen
Cannot be taken on a screen
Sometimes can be and sometimes cannot be taken on a screen
Is formed only by a concave mirror
The bouncing of light from a surface of a body is known as:
Reflection
Refraction
Dispersion
All the above
Which mirror is used in vehicles for rear view?
Concave mirror
Convex mirror
Plane mirror
Any one of the above
Concave mirror is used in:
Solar devices
Car headlights
Dentist's mirror
All of these
Reflection from a rough surface is called:
Regular reflection
Irregular reflection
Total internal reflection
Multiple reflection
An imaginary line drawn perpendicular to the mirror at the point of incidence is called:
Incident ray
Reflected ray
Normal
An image formed by a plane mirror is :
Virtual image
Real image
Inverted image
The centre of a spherical mirror is called:
Principal axis
Focus
The distance between the pole and the principle focus is called:
Radius of curvature
Principle axis