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- 1. Multiple Choice
Light travels in
straight line
curved line
zig-zag line
randomly
- 2. Multiple Choice
When an opaque object comes in the path of light it forms
an image with colours
depends on the colour of the light
black and white image
shadow
- 3. Multiple Choice
Which types of objects do not allow light to pass through them?
Translucent
Opaque
Transparent
all the above
- 4. Multiple Choice
Which is an example of a translucent object?
cellophane paper
cardboard
butter paper
clear glass
- 5. Multiple Choice
Bouncing back of light from shining surfaces is called
Reflection
Refraction
Bending
Rectilinear propagation
- 6. Multiple Choice
Which is a device used to see the image of the sun?
Plane mirror
Pinhole camera
A straight pipe
Glass slab
- 7. Multiple Choice
Out of these, which one is not a man-made luminous body?
Electric bulb
Burning candle
Firefly
Oil lamp
- 8. Multiple Choice
A mirror is an example of
transparent object
opaque object
translucent
none of these
- 9. Multiple Choice
Which one of the following is the natural source of light?
Electric bulb
Moon
Tube light
Sun
- 10. Multiple Choice
Image formed by a pinhole camera is
inverted
erect
sometimes erect, sometimes inverted
none of these
- 11. Multiple Choice
An object which does not give out or emit light on its own is called
opaque
translucent
luminous
non luminous
- 12. Multiple Choice
The size of the shadow changes with
Position of light source
Position of screen
Both (a) and (b)
Size of the shadow will not change
- 13. Multiple Choice
Reflection does not take place from
Undisturbed water
Book
Polished metal msurface
Mirror
- 14. Multiple Choice
A shadow can be formed on
Opaque screen
Transparent screen
Translucent screen
No screen needed
- 15. Multiple Choice
What does the Moon do
Produces Heat
Reflects the Sun's light
Produces light
Reflects the Sun's heat
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