Choose the correct statement from those given below

The angle of incidence equals the angle of reflection

The normal is the line parallel to a surface

The reflection of light is three dimensional

a mirror causes diffuse reflection

a rough surface causes specular reflection

How Light Reflects

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| By Denise_nambiar21

Denise_nambiar21

Community Contributor

Quizzes Created: 5 | Total Attempts: 14,812

Questions: 7 | Attempts: 2,916 | Updated: Sep 4, 2024

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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!

Questions and Answers

1.

The scattering of light off a rough surface is called...
- A.
  
  Specular reflection
- B.
  
  Diffuse reflection
- C.
  
  Specular refraction
- D.
  
  Diffuse refraction
Correct Answer
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.

When light strikes a smooth and polished surface, what type of reflection occurs?
- A.
  
  Diffuse reflection
- B.
  
  Regular reflection
- C.
  
  Absorption
- D.
  
  Refraction
Correct Answer
B. Regular reflection

Explanation
Regular reflection takes place when light strikes a smooth and polished surface, such as a mirror or a glass window. In this case, the light reflects at equal angles, producing a clear and sharp reflection.

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2
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
Correct Answer
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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2
1
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
Correct Answer
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 ray of light strikes a mirror at an angle of to the normal. What does B measure
- A.
- B.
- C.
- D.
Correct Answer
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.
Correct Answer
A.

Explanation
In the case of a plane mirror, the angle of incidence is equal to the angle of reflection. This means if a single ray of light is directed at a plane mirror with an angle of incidence of 40 degrees, then the angle of reflection will also be 40 degrees.

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Current Version
Sep 04, 2024

Quiz Edited by
ProProfs Editorial Team
Mar 02, 2013

Quiz Created by
Denise_nambiar21

How Light Reflects

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

When light strikes a smooth and polished surface, what type of reflection occurs?

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

Choose the correct statement from those given below

A ray of light strikes a mirror at an angle of to the normal. What does B measure

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