WorksheetsMIRROR and LENSES
Total questions: 15
Worksheet time: 8mins
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
The focal length is denoted by the letter _______________.
f
F
P
p
A spherical mirror with reflecting surface curved inwards is called _______________.
concave mirror
convex mirror
curved mirror
none of the above
The distance from the focal point to the vertex is called _______________.
center of curvature
focal length
focal point
vertex
Which lens is used to magnify objects and refract light? This type of lens is curved outward.
concave lens
convex lens
parabolic lens
plane lens
Which describes a concave lens?
more transparent in the middle
thinner in the middle than on the edges
thinner on the edges than in the middle
triangular in shape
