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WorksheetsCh-11 Light
Total questions: 20
Worksheet time: 11mins
Which of these are not luminous objects?
Sun
Glowing Tube light
Burning Torch
Off Bulb
Stars
Which types of objects do not allow light to pass through them?
(a)
Which is an example of a translucent object?
Oily Paper
Butter Paper
Frost Glass
All of these
Light travels in (a) line.
(a) are formed when an opaque object comes in the path of light
Objects which allow light to pass through them partially ?
Transparent
Translucent
Opaque
Both A and B
What are the conditions needed to form a shadow?
(a)
(a) Reflection give us clear images.
Which of the following object does not emit light of its own.
A Fire Fly
Sun
Stars
Moon
Identify weather Transparent ,Translucent or Opaque.
(a)
What happen in a pin-hole camera?
It Inverts
It becomes Blurry
It zooms in
Both A and B
Why does an opaque object form a shadow when placed in the path of light?
Opaque object blocks the light
The light turns Black
The light goes into the opaque object
The light Reverts back
(a) Camera can be made with simple materials and can be used to image the eclipse .
Which of the following emits light?
Stars
Planets
Rocks
Both A and B
which of the following allows light to pass through it easily ?
A metal Plate
A glass tumbler
A book
A wooden block
What types of object reflect light.
Polished
Shiny
Hard
Both A and B
Can the person see the the mirror?
(a)
Why is light necessary for us to see?
Light is a source of energy, every source of energy emits light
Light is Bright and shiny
Light is attractive
all of these
Can we produce light?
(a)
Why Can't we see the light source for a long time as our eyes start to burn?
The light source have more light than our retina can handle
The light Burns our eyes by flames
None of these
All of these
