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- 1. Multiple Choice
Which statement describes monochromatic light?
light that does not diffract
light that has a single frequency
light that spreads out when shone through a glass prism
light that travels at the same speed in all materials
- 2. Multiple Choice
Which diagram correctly shows a ray of light reflected by a plane mirror?
A
B
C
D
- 3. Multiple Choice
An object is placed before a plane mirror as shown. A student views the image of the object in the mirror from point P. Where does she see the image?
A
B
C
D
- 4. Multiple Choice
A ray of light is reflected by two parallel plane mirrors X and Y. Which statement is correct?
The angle of incidence at mirror X is 30°.
The angle of incidence at mirror Y is 60°.
The angle of reflection at mirror X is 120°.
The angle of reflection at mirror Y is 0°.
- 5. Multiple Choice
A boy sees a fish in a lake. Which labelled path is taken by the light travelling from the fish to the boy’s eye?
A
B
C
D
- 6. Multiple Choice
A beam of light passes through a vacuum and then enters a liquid. The diagram shows the path it takes.
The light travels through the vacuum at a speed of 3.0 × 108 m/s.
What is the speed of light in the liquid?
1.9 × 108 m/s
2.0 × 108 m/s
4.6 × 108 m/s
4.8 × 108 m/s
- 7. Multiple Choice
Light has a speed of 1.24 × 108 m/s in diamond.
What is the refractive index of diamond?
(Speed of light in vacuum is 3.00 × 108 m/s)
0.41
1.54
2.42
3.72
- 8. Multiple Choice
Light is travelling through air. The light strikes a glass block at an angle of incidence of 45°. The glass has a refractive index of 1.4.
What is the angle of refraction of the light as it enters the glass?
29o
30o
32o
82o
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