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- 1. Multiple Choice
Which one of the following is the natural source of light?
Electric bulb
Sun
Tube light
Moon
- 2. Multiple Choice
The object which does not have light of its own is
shining mirror
light bulb
star
lighted match box
- 3. Multiple Choice
Stars are
luminous
non-luminous
both of these
none of these
- 4. Multiple Choice
Which of the following is a non-luminous objects?
Moon
Sun
Earth
Stars
None of these
- 5. Multiple Choice
Objects that do not give out or emit light of their own are called
luminous
non-luminous
opaque
translucent
- 6. Multiple Choice
Which of the following is a luminous object?
Pencil
Chair
Sun
Table
- 7. Multiple Choice
The objects which allow light to pass through them are called
transparent
opaque
translucent
none of these
- 8. Multiple Choice
Air is
transparent
translucent
both of these
none of these
- 9. Multiple Choice
Glass sheet is a/an
translucent object
opaque object
transparent object
none of these
- 10. Multiple Choice
Substances through which light can pass partially and things cannot be seen clearly through them are
transparent
opaque
translucent
none of these
- 11. Multiple Choice
Which of the following are transparent or allows light to pass through it?
Rubber
Glass
Copper
Wood
- 12. Multiple Choice
Solid wax is
transparent
translucent
opaque
none of these
- 13. Multiple Choice
Objects which does not allow light to pass through them are called
opaque objects
transparent objects
translucent objects
none of these
- 14. Multiple Choice
A mirror is an example of
transparent object
opaque object
translucent
none of these
- 15. Multiple Choice
Which is an example of a translucent object?
A thin glass sheet
A thin paper sheet
A thin iron sheet
A thin wooden sheet
- 16. Multiple Choice
Light travels in
a straight line
a zig-zag line
a random way
a curved line
- 17. Multiple Choice
The image formed in water is
inverted
erect
long
diminished
All of these
- 18. Multiple Choice
The shape of shadow depends upon the
shape of the object
size of the object
size of source of light
colour of the source light
- 19. Multiple Choice
The position of the shadow changes with
the position of the light source
the movement of the light source
both the 1st and the 2nd object
none of these
- 20. Multiple Choice
Shadow of an object is
dark (black)
blue
red
depends on the color of object
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