MIRROR and LENSES

The reflection by the rough surfaces that tend to reflect light in all directions is called _______________ .

• diffuse reflection

• glossy reflection

• regular reflection

• specular reflection

The image you see in a plane mirror is called a _______________ image because it is not a real, physical object.

• imaginary

• physical

• reflected

• virtual

The image seen in a plane mirror is ______________.

• real and inverted

• real and upright

• virtual and inverted

• virtual and upright

Diffuse Reflection is produced by _______________ surfaces that tend to reflect light in all directions.

• rough

• semi rough

• semi smooth

• smooth

Which of the following is a diverging lens?

• concave lens

• convex lens

• parabolic lens

• plane lens

The center of curvature is denoted by letter _______________ .

• c

• C

• o

• O

If the angle of incidence between the incident ray and the normal line is 25 degrees, what is the angle of reflection?

• 65 degrees

• 45 degrees

• 35 degrees

• 25 degrees

The image formed by a concave mirror will ______________.

• always be real

• always be virtual

• be either real or virtual

• will always be magnified

The image formed by a convex mirror will _______________ .

• always be real

• always be virtual

• be either real or virtual

• will always be magnified

The focal length is one-half the distance from the vertex to the _______.

• center of curvature

• principal axis

• radius of curvature

• none of the above