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WorksheetsReflection of light
Total questions: 25
Worksheet time: 4mins
If 'R' is radius of curvature and 'f' is focal length of a spherical mirror then the correct relation between the two is
R = f
R = f/2
f = 2R
f = R/2
Through which point on principal axis shall reflected ray pass in the following diagram of incident ray ?
point F
point C
point P
none of the above
A mirror always form diminished image irrespective of the position of the object in-front of it , then the mirror is :-
Plane mirror
concave mirror
convex mirror
not possible
When distance of object from a mirror is gradually increased then image formed by it becomes inverted which was erect in the beginning. Which type of mirror is this ?
Plane mirror
Concave mirror
Convex mirror
none of the above
Which mirror is used as a make-up mirror ?
Convex mirror
plane mirror
concave mirror
plano-concave
Which word means to bend light rays toward each other?
Converging light
Diverging light
Virtual Light
Real Light
A dentist uses a small dental mirror to help magnify teeth in your mouth. What type of mirror is this?
a convex mirror
a concave mirror
a plane mirror
a concave lens
An object is kept 30cm away from the pole of a mirror. Its inverted image at the same position as that of object then it is
a concave mirror of focal length 15 cm
a convex mirror of focal length 15 cm
a plane mirror
a concave mirror of focal length 30 cm
Value of Magnification (m) of a mirror is always + 1 , then the mirror is definitely
a concave mirror
a plane mirror
a convex mirror
none of the above
Convex mirror is used as a rear view mirror in vehicles because :-
It always forms erect image
It covers wide range of view for image formation
It always forms image behind the mirror
All of the above
Convex mirror is also called as
converging mirror
diverging mirror
plane mirror
silver mirror
The point on the spherical mirror at the middle of the surface is called
focus
centre of curvature
pole
radius of curvature
The focal length of a plane mirror is ........
infinite
zero
1m
100m
When the object is in between the centre of curvature (C) and focus (F) of a concave mirror, then the position of the image is ...........
At focus
At the centre of curvature
at infinity
beyond the centre of curvature
Which mirror is shown in the figure?
convex mirror
concave mirror
plane mirror
silver mirror
When the object is at infinity, a point sized image is formed at ................ by the convex mirror
focus behind the mirror
focus in front of the mirror
radius of curvature
principal axis
The image formed by a concave mirror when the object is placed between the pole and the focus is ......
virtual, erect and magnified
virtual, erect and diminished
real, inverted and magnified
real, inverted and diminished
Where will be the images of the Sun or the moon are formed by a concave mirror?
Focus
Pole
centre of curvature
beyond centre of curvature
What is the size of the image formed when an object is kept at the focus in front of concave mirror?
enlarged
diminished
highly enlarged
highly diminished
What shall be the position of image , if an object is place in-front of a concave mirror as shown ?
At C
between F & C
between F & P
at F
Convex mirror is used as a rear view mirror in vehicles because :-
It always forms erect image
It covers wide range of view for image formation
It always forms image behind the mirror
All of the above
