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- 1. Multiple Choice
What is NOT a natural source of light?
Fire
Sun
Fireflies
Computer
- 2. Multiple Choice
Bouncing of a light ray when it strikes a reflecting surface is called.........
Refraction
Dispersion
Reflection
Diffraction
- 3. Multiple Choice
The following diagram shows the ray diagram when a torch light is torched towards a mirror. Which of the following is the correct reflected ray?
- 4. Multiple Choice
The following diagram shows a driver who could see the image of a vehicle behind him without turning his back.
Why?
Light travels in a straight line
Light is refracted
Light is reflected
Light travels in two different mediums
- 5. Multiple Choice
Ariff is watching a cat on a wall using a periscope. Which of the following is the correct reflected ray diagram in the periscope? Tick the correct answer.
None
None
- 6. Multiple Choice
What causes the formation of a rainbow?
Light travels in a straight line
Reflection of light
Refraction of light
Light in bounced in two different mediums
- 7. Multiple Choice
Which of the following shows that light travels in a straight line? Tick the correct answers.
A
B
C
D
E
- 8. Fill in the Blank
The sun appears to rise in the _________.
- 9. Multiple Choice
Shadows are shortest at this time of day:
morning
noon
afternoon
evening
- 10. Multiple Choice
Why does your shadow change during the day?
The sun is moving.
The directions (N, S, E, W) change throughout the day.
The sun's position in the sky changes.
The moon rises.
- 11. Multiple Choice
Check all of the times when the sun would be in the eastern part of the sky.
7 am
10 am
2 pm
5 pm
- 12. Multiple Choice
What is the best description of an opaque material?
no light passes through the material
some light passes through the material
all light passes through the material
- 13. Multiple Choice
Which pictures shows a translucent image?
- 14. Multiple Choice
What type of object is the glass in the glasses considered?
opaque
transparent
translucent
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