Font size
WorksheetsLight, shadow and Reflection
Total questions: 27
Worksheet time: 14mins
A source of light made by man
Natural light
Artificial light
Sunglasses
What is our main source of light?
Sun
Moon
Trees
Assertion(A): The image formed in pinhole camera is laterally inverted.
Reason(R) : Image gives the shape, size and color of the object.
A and R are true and R is not the correct explanation of A
A and R are false
A is true and R is false
A and R are true and R is the correct explanation of A.
Assertion(A): Moon is non - luminous object.
Reason(R): Moon does not emit light on their own.
A and R are true. R is not the correct explanation of A
A is true and R is false
A is false and R is true
A and R is true and R is the correct explanation of A
Which letters of English alphabet will not show lateral inversion?
I,O,U
N,Z,X
I,X,E
A,E,I
Which of the following is an example of a translucent object?
A thin sheet of paper
A thin glass slab
A thin iron sheet
All of these
Objects which allow light to pass through them are called
Opaque objects
Transparent objects
Translucent objects
Image
Fire fly is a
Non-living luminous body
Plant body
Living luminous body
Heavenly body
The dark patches are formed behind the objects are called
Clear images
Dark images
Dim images
Shadow
The principle behind the pin hole camera is
Curvilinear propagation of light
Rectilinear propagation of light
Image
shadow
There is light on the Earth even on a dark, cloudy day. This is because clouds are:
Opaque
Translucent
Transparent
Luminous
What does reflection mean?
Light bouncing off an object.
Light is bending around an object.
Light is moving through and object.
This is no light.
Where will the tree's shadow be?
A
B
C
which of these are required to form the shadow of a ball
Torch
Ball
Screen
All of these
which of the characteristics is not exhibited by the shadow of an object?
erect
same colour as the object
can be formed on screen
can be bigger than the object
When we move an object away from the source of light, the shadow of the object _____________
Become bigger
Becomes smaller
Remains the same
None of these
Pinhole camera is based on the ___________
Rectilinear propagation of light
Rectangular propagation of light
Circular propagation of light
None of these
If you can see light through an object it is called...
opaque
plastic
transparent
An object that gives out light is called a (a) of light
To form a Shadow which of the following is not required??
Opaque object
Light
Water
Screen
Things make shadows because they ................ Light
Block
Pass
We can see any objects in the dark
True or False
True
False
Which colour reflects more light
Bright colours
Dark colours
What does the moon do
Gives light
Reflects the sun light
Gives heat
Which luminous object is natural
Fireworks
Lightning
Light bulb
Which is a luminous object
Candle
Mirror
Table
Which one is not a luminous object?
Sun
Stars
Book
