Light And Optics - SS1 Physics Past Questions and Answers - page 2
11
Explain the dual nature of light and how it can exhibit properties of both waves and particles.
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12
Discuss the concept of reflection and how it occurs when light interacts with a surface.
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13
Which of the following statements best describes the law of reflection?
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A
Light rays always travel in straight lines.
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B
The angle of incidence is equal to the angle of reflection.
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C
The angle of incidence is greater than the angle of reflection.
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D
The angle of incidence is smaller than the angle of reflection.
14
When a light ray strikes a smooth plane mirror, the reflected ray will:
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A
Travel in the same direction as the incident ray.
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B
Change direction randomly.
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C
Form an angle of 90 degrees with the mirror surface.
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D
Be absorbed by the mirror.
15
If an object is placed in front of a plane mirror, the image formed will be:
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A
Larger than the object.
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B
Smaller than the object.
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C
The same size as the object.
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D
Inverted compared to the object.
16
The image formed by a plane mirror is always:
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A
Virtual and upright.
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B
Real and inverted.
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C
Virtual and inverted.
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D
Real and upright.
17
If an object is located 10 cm in front of a plane mirror, the image will appear to be:
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A
10 cm in front of the mirror.
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B
10 cm behind the mirror.
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C
20 cm in front of the mirror.
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D
20 cm behind the mirror.
18
Explain the laws of reflection and how they apply to the reflection of light in plane mirrors.
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19
Describe the formation of images in plane mirrors and explain the characteristics of the images formed.
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20
What are the laws of refraction?
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A
The angle of refraction is greater than the angle of incidence.
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B
The angle of refraction is less than the angle of incidence.
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C
The angle of refraction is equal to the angle of incidence.
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D
The angle of refraction depends on the colour of light.
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