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WorksheetsReflection of light
Total questions: 20
Worksheet time: 16mins
Best regular reflection of light takes place when it strikes
Smooth opaque surface
Rough opaque surface
Smooth transparent surface
Smooth & silvered opaque surface
Light exhibits
Ray nature only
Wave nature only
Dual nature ( ray & wave both )
particle nature only
Laws of reflection of light are similar to the laws of reflection of sound
True
False
In the given figure , which angle represents angle of incidence ?
a
b
c
d
In the image, all the rays appear to meet at F, What is F
focal length
focal point
center of curvature
reflection
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
Which mirror is used as a make-up mirror ?
Convex mirror
plane mirror
concave mirror
plano-concave
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
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
An object of size 5 cm is kept 20cm away from a concave mirror of focal length 15 cm . Size of its image shall be
+ 5 cm
- 10 cm
- 15 cm
- 5 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
At what distance an object is kept in front of a concave mirror of focal length 10 cm so as to obtain a real image twice as magnified as the object ?
5 cm
10 cm
15 cm
20 cm
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
