# Quiz: How Light Reflects

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| Written by Denise_nambiar21
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Denise_nambiar21
Community Contributor
Quizzes Created: 5 | Total Attempts: 12,558
Questions: 7 | Attempts: 2,205  Settings  Reflection is when light bounces off an object. If the surface is smooth and shiny, like glass, water or polished metal, the light will reflect at the same angle as it hit the surface. This is called specular reflection.
Here are some questions explaining light reflection in detail, all the best for the upcoming quiz!

• 1.

### The scattering of light off a rough surface is called...

• A.

Specular reflection

• B.

Diffuse reflection

• C.

Specular refraction

• D.

Diffuse refraction

B. Diffuse reflection
Explanation
Diffuse reflection refers to the scattering of light off a rough surface. Unlike specular reflection, which occurs when light reflects off a smooth surface and maintains its original direction, diffuse reflection causes light to scatter in multiple directions due to the irregularities on the surface. This phenomenon is commonly observed when light bounces off surfaces such as paper, fabric, or walls, creating a softer and less focused reflection.

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• 2.

### A ray of light is reflected from two plane mirror surfaces as shown in the figure. What are the correct values of α and β?

• A.

Value of α     Value of β            26°              26°

• B.

α = 26° β =64°

• C.

α= 38° β =52°

• D.

α= 52° β =26°

• E.

α=64° β =26°

B. α = 26° β =64°
Explanation
The question provides the values of α and β, which are 26° and 64° respectively. Therefore, the correct values of α and β are α = 26° and β = 64°.

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• 3.

### In the figure above, the angle of incidence is  What is the angle of  reflection?

• A.

1

• B.

2

• C.

3

• D.

4

• E.

5

C. 3
Explanation
The angle of reflection is the same as the angle of incidence. In this case, since the angle of incidence is 3, the angle of reflection is also 3.

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• 4.

### Choose the correct statement from those given below

• A.

The normal is the line parallel to a surface

• B.

The reflection of light is three dimensional

• C.

A mirror causes diffuse reflection

• D.

A rough surface causes specular reflection

• E.

The angle of incidence equals the angle of reflection

E. The angle of incidence equals the angle of reflection
Explanation
The statement "The angle of incidence equals the angle of reflection" is a fundamental law of reflection. It states that when a ray of light strikes a surface and gets reflected, the angle at which it approaches the surface (angle of incidence) is equal to the angle at which it bounces off the surface (angle of reflection). This law holds true for all types of surfaces and is a key principle in understanding the behavior of light when it interacts with objects.

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• 5.

• A.
• B.
• C.
• D.
C.
• 6.

### The diagram shows a single ray of light being directed at a plane mirror. What are the angles of incidence and reflection?

• A.
• B.
• C.
• D.
D.
Explanation
the angle between the normal and incident ray is 90- 40=50
therefore the angle of reflection is also 50

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