Extra 40 MCQ questions and answers for Chapter:11 Light, Shadows, and Reflections of Class 6 Science (CBSE):-
Which of the following is a natural source of light?
a) Candle
b) Torch
c) Sun
d) Bulb
Answer:
c) Sun
Which of the following objects allows light to pass through completely?
a) Wooden door
b) Frosted glass
c) Clear glass
d) Cardboard
Answer:
c) Clear glass
A shadow is always formed on the ______ side of the light source.
a) Same
b) Opposite
c) Left
d) Right
Answer:
b) Opposite
Which of the following is an example of an opaque object?
a) Glass window
b) Transparent plastic sheet
c) Wooden block
d) Water
Answer:
c) Wooden block
Which type of object forms a shadow?
a) Transparent
b) Translucent
c) Opaque
d) None of these
Answer:
c) Opaque
The shape of a shadow depends on ______.
a) The
colour
of the object
b) The shape of the object
c) The distance of the light source
d) Both b and c
Answer:
d) Both b and c
The bouncing back of light from a surface is called ______.
a) Refraction
b) Reflection
c) Dispersion
d) Absorption
Answer:
b) Reflection
A mirror reflects light because its surface is ______.
a) Rough
b) Smooth and shiny
c) Transparent
d)
Coloured
Answer:
b) Smooth and shiny
A shadow is always ______ in
colour
.
a) The same as the object
b) Black
c) White
d) Red
Answer:
b) Black
The moon is visible because of ______.
a) Its own light
b) Reflection of sunlight
c) Light from stars
d) None of these
Answer:
b) Reflection of sunlight
Which of the following objects is
not
a luminous object?
a) Sun
b) Candle
c) Mirror
d) Firefly
Answer:
c) Mirror
A transparent object ______ light.
a) Completely blocks
b) Partially blocks
c) Completely allows
d) Reflects
Answer:
c) Completely allows
A translucent object allows light to pass through ______.
a) Completely
b) Partially
c) Not at all
d) None of these
Answer:
b) Partially
A pinhole camera works on the principle of ______.
a) Reflection
b) Refraction
c) Light travels in a straight line
d) Absorption
Answer:
c) Light travels in a straight line
Shadows are longer in the ______.
a) Afternoon
b) Early morning and evening
c) Midnight
d) Noon
Answer:
b) Early morning and evening
Which of the following can be seen in a mirror?
a) Shadow
b) Image
c) Both shadow and image
d) None of these
Answer:
b) Image
The phenomenon of bouncing back of light after striking a smooth surface is called:
a) Reflection
b) Refraction
c) Dispersion
d) Absorption
Answer:
a) Reflection
A smooth and shiny surface reflects light ______.
a) Poorly
b) In all directions
c) Regularly
d) Not at all
Answer:
c) Regularly
The
colour
of a shadow depends on ______.
a) The
colour
of the object
b) The light source
c) The screen
d) None of these
Answer:
d) None of these
Which of the following objects does
not
form a shadow?
a) A glass pane
b) A wall
c) A tree
d) A book
Answer:
a) A glass pane
What kind of image is formed in a plane mirror?
a) Real and inverted
b) Virtual and erect
c) Real and erect
d) Virtual and inverted
Answer:
b) Virtual and erect
What is the main cause of shadow formation?
a) Reflection
b) Light traveling in a straight line
c) Refraction
d) Dispersion
Answer:
b) Light traveling in a straight line
What happens when an opaque object is placed in the path of light?
a) Light passes through it
b) A shadow is formed
c) Light gets reflected
d) None of these
Answer:
b) A shadow is formed
Which of these objects will form the darkest shadow?
a) Transparent glass
b) Frosted glass
c) A piece of wood
d) A thin plastic sheet
Answer:
c) A piece of wood
What happens when light falls on a rough surface?
a) Regular reflection
b) Irregular reflection
c) No reflection
d) Absorption
Answer:
b) Irregular reflection
Which part of a shadow is the darkest?
a) Umbra
b) Penumbra
c) Outer shadow
d) Inner shadow
Answer:
a) Umbra
The earth’s shadow causes:
a) Solar eclipse
b) Lunar eclipse
c) Both a and b
d) None of these
Answer:
b) Lunar eclipse
The sun, stars, and fireflies are examples of:
a) Transparent objects
b) Luminous objects
c) Non-luminous objects
d) Opaque objects
Answer:
b) Luminous objects
The image in a mirror is:
a) Real
b) Virtual
c) Inverted
d) Both a and b
Answer:
b) Virtual
If you place an object closer to a light source, the shadow will:
a) Become smaller
b) Become larger
c) Remain the same
d) Disappear
Answer:
b) Become larger
Shadows are formed because light travels in a ______.
a) Curved path
b) Circular motion
c) Straight line
d) Zigzag path
Answer:
c) Straight line
A book kept in sunlight casts a shadow because:
a) It is a luminous object
b) It is an opaque object
c) Light bends around it
d) None of these
Answer:
b) It is an opaque object
We see non-luminous objects because of:
a) Their own light
b) Reflection of light
c) Refraction of light
d) Their
colour
Answer:
b) Reflection of light
What do we call an object that does not allow light to pass through?
a) Transparent
b) Opaque
c) Translucent
d) None of these
Answer:
b) Opaque
Which of the following does
not
produce its own light?
a) Sun
b) Candle
c) Moon
d) Firefly
Answer:
c) Moon
The image formed by a plane mirror is always ______.
a) Real and erect
b) Virtual and inverted
c) Virtual and erect
d) Real and inverted
Answer:
c) Virtual and erect
What is the reason for the formation of multiple shadows?
a) A single light source
b) Multiple light sources
c) Transparent objects
d) No light source
Answer:
b) Multiple light sources
What happens to the size of a shadow when the light source moves farther away?
a) Increases
b) Decreases
c) Remains the same
d) Disappears
Answer:
b) Decreases
Which of the following is a
non-luminous object
?
a) Star
b) Torch
c) Mirror
d) Bulb
Answer:
c) Mirror
The image formed in a pinhole camera is ______.
a) Inverted and smaller
b) Upright and smaller
c) Inverted and bigger
d) Upright and bigger
Answer:
a) Inverted and smaller
