NEW
Font size
WorksheetsLight Energy
Total questions: 20
Worksheet time: 10mins
A ray of light falling on a mirror is called _______________.
reflected ray
normal ray
emergent ray
incident ray
The image of an object formed by a plane mirror is _________ in nature.
virtual
real
diminished
magnified
The path traced by a ray of light is
always a straight line.
a curved line.
a zig-zag line.
dependent on the medium.
If you are standing 2 m away from a plane mirror, the distance between you and your image is ___.
2 m
4 m
6 m
8 m
Which one shows lateral inversion?
Plane mirror
Concave mirror
Convex mirror
All of these
The angle between the incident ray of light and the ray reflected from a plane mirror is 70°. The angle of incidence will be:
70°
30°
35°
90°
The angle of incidence of light on a plane mirror is 30°.The angle of reflection will be:
30°
60°
15°
0°
The angle of incidence on a plane mirror is 30°. The angle between the incident ray and the reflected ray is
30°
15°
60°
90°
The property due to which a light ray striking a surface is returned back into the same medium is called
refraction
reflex action
reflection
regression
A ray of light falling on a mirror, leaves the surface of the mirror and is then called ________.
reflected ray
normal
incident ray
refracted ray
An image that cannot be captured on a screen is called__________.
real image
inverted image
virtual image
reflected image
A red rose is seen in green light. It will appear __________.
red
blue
yellow
black
The primary colours are
Red, Blue and Yellow
Magenta, Yellow and Cyan
Red, Blue and Cyan
Blue, Green and Red
Rectilinear propagation of light means___
light can bend and curve.
light travels in straight line.
light is bounced back by a medium when it falls on the medium.
light gives us the sensation of vision.
Which type of mirror is used in a periscope?
Convex mirror
Concave mirror
Plane mirror
None of these
Regular reflection takes place on the surface of ________.
wall
still water
stones
trees
A perpendicular drawn on the point of incidence of light on the surface of a mirror is called ________.
incident ray
reflected ray
normal
none of these
When a ray of light strikes a plane mirror along the normal, the angle of incidence is __________.
90°
zero degree
45°
none of these
A medium, which partially allows the light rays to pass through it is called __________.
transparent
translucent
non-luminous
opaque
Which is not a luminous body?
Sun
Star
Planet
Glow worm
