WorksheetsMCQs on Light (Worksheet Extraction)
Total questions: 50
Worksheet time: 25mins
Light is a form of
Matter
Energy
Force
Sound
Which of the following is a natural source of light?
Bulb
Candle
Sun
Torch
Which object does not emit light on its own?
Sun
Fire
Moon
Electric bulb
Objects that do not allow light to pass through them are called
Transparent
Translucent
Opaque
Luminous
Which of the following is a transparent object?
Wooden door
Frosted glass
Clear glass
Cardboard
Light travels in a
Circular path
Zig-zag path
Straight line
Random path
The phenomenon of bouncing back of light from a surface is called
Refraction
Dispersion
Reflection
Absorption
A smooth and shiny surface reflects light best because it is
Rough
Opaque
Polished
Curved
Which surface causes regular reflection?
Rough wall
Paper
Mirror
Cloth
Which type of mirror is used as a looking mirror?
Concave
Convex
Plane
Spherical
The image formed by a plane mirror is
Real and inverted
Virtual and erect
Real and erect
Virtual and inverted
The image formed by a plane mirror is
Larger than object
Smaller than object
Same size as object
Depends on distance
Lateral inversion means
Top and bottom are reversed
Left and right are reversed
Image is upside down
Image is enlarged
Which mirror is used by dentists?
Plane mirror
Convex mirror
Concave mirror
Cylindrical mirror
A concave mirror can form
Only real images
Only virtual images
Both real and virtual images
No image
Which mirror is used as a rear-view mirror in vehicles?
Plane mirror
Concave mirror
Convex mirror
Periscope
A convex mirror always forms an image that is
Real and inverted
Virtual and erect
Real and erect
Enlarged
The image formed by a convex mirror is
Larger than object
Same size
Smaller than object
Inverted
Splitting of white light into different colours is called
Reflection
Refraction
Dispersion
Scattering
Which colour bends the most in a prism?
Red
Yellow
Green
Violet
Which colour bends the least in a prism?
Violet
Indigo
Blue
Red
The band of seven colours formed by dispersion is called
Reflection
Image
Spectrum
Shadow
How many colours are there in white light?
Five
Six
Seven
Eight
A rainbow is formed due to
Reflection only
Refraction only
Dispersion and reflection
Absorption
Which colour has the longest wavelength?
Violet
Blue
Green
Red
Which colour has the shortest wavelength?
Red
Yellow
Indigo
Violet
The bending of light when it passes from one medium to another is called
Reflection
Dispersion
Refraction
Diffraction
Refraction occurs because light
Changes direction
Changes speed
Changes colour
Stops
Which medium allows light to pass partially?
Transparent
Opaque
Translucent
Luminous
A shadow is formed when light is
Reflected
Refracted
Blocked by an opaque object
Dispersed
A shadow is always
Coloured
Transparent
Dark
Bright
Which object will form the darkest shadow?
Glass
Butter paper
Plastic sheet
Wooden block
The size of a shadow depends on
Size of object
Distance from light source
Position of object
All of the above
Which type of image can be formed on a screen?
Virtual image
Real image
Mirror image
Lateral image
A pinhole camera forms an image that is
Virtual and erect
Real and inverted
Virtual and inverted
Real and erect
Which mirror is used in solar cookers?
Plane mirror
Convex mirror
Concave mirror
Glass mirror
Which of the following is not a property of light?
Travels in straight line
Can be reflected
Can be refracted
Has mass
Light travels fastest in
Water
Glass
Air
Vacuum
Which phenomenon explains why we can see objects?
Reflection of light from objects
Refraction through lenses
Absorption by materials
Dispersion through a prism
A luminous object is one that
Reflects light
Absorbs light
Emits its own light
Blocks light
Which object is luminous?
Chair
Table
Bulb when glowing
Moon
Which part of the eye controls the amount of light entering?
Retina
Pupil
Cornea
Optic nerve
Which mirror forms a magnified image when object is close?
Plane mirror
Convex mirror
Concave mirror
Glass mirror
Which phenomenon causes a pencil to appear bent in water?
Reflection
Dispersion
Refraction
Absorption
Which of the following reflects maximum light?
Black paper
Rough surface
White paper
Cloth
Which colour absorbs maximum heat?
White
Yellow
Black
Green
Which colour reflects maximum light?
Black
Red
Blue
White
The image formed in a plane mirror is
Inverted
Smaller
Laterally inverted
Real
Light from the Sun reaches Earth in about
1 second
8 minutes
1 hour
1 day
Which device uses reflection of light to see over obstacles?
Telescope
Microscope
Periscope
Kaleidoscope
