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- 1. Multiple Choice
Light is
visible and also makes objects on which it falls visible.
invisible but makes objects on which it falls visible.
invisible but becomes visible when it falls on an object.
sometimes visible and sometimes invisible but it always makes objects on which it falls visible.
- 2. Multiple Choice
The shape and size of a shadow depends on
the shape and size of the object.
the position of the source of light.
the distance between the source of light and the object.
all of the above
- 3. Multiple Choice
Which of these is not a source of light?
Sun
Moon
Lighted candle
Stars
- 4. Multiple Choice
Which of these is not a property of an image formed by a plane mirror?
It is of the same shape as the object.
It does not show any details in the object.
it is of the same colour as the object.
It is of the same size as the object.
- 5. Multiple Choice
Which of these is true for an image?
It is formed when light is blocked by an opaque object.
It is formed when light passes through a transparent object.
It is of the same shape and colour as the object.
It is always black.
- 6. Multiple Choice
A shadow is formed when
light from a luminous object reaches our eyes.
light from a luminous object reaches our eyes after reflection.
light from a luminous object is prevented from reaching our eyes by another object.
light from a luminous object reaches our eyes after passing through a transparent object.
- 7. Multiple Choice
The image formed in a pinhole camera is always
erect and of the same size as the object.
erect and either smaller or bigger or of the same size as the object.
inverted and of the same size as the object.
inverted and either smaller or bigger or of the same size as the object.
- 8. Multiple Choice
A lunar eclipse occurs when the
earth is between the sun and the moon.
moon is between the sun and the earth.
sun is between the earth and the moon.
in all the above situations
- 9. Open Ended
Can you name anything that can travel faster than the speed of light?
- 10. Open Ended
Are stars luminous or non-luminous?
- 11. Fill in the Blank
We depend on light energy for our food. True or false?
- 12. Fill in the Blank
Can a completely transparent object cast a shadow?
- 13. Fill in the Blank
When does a solar eclipse occur−on a new moon day or on a full moon day?
- 14. Fill in the Blank
A beam of light consists of several rays. True or false?
- 15. Fill in the Blank
Light can travel through a bent tube just like water can. True or false?
- 16. Fill in the Blank
Which of these is formed by light reflected by an object−image or shadow?
- 17. Fill in the Blank
Can a shadow be formed without a screen?
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