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A plane mirror is placed at an angle of 60 degrees to the incident ray. What is

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Question: A plane mirror is placed at an angle of 60 degrees to the incident ray. What is the angle of reflection?

Options:

  1. 30 degrees
  2. 60 degrees
  3. 90 degrees
  4. 120 degrees

Correct Answer: 60 degrees

Solution: 

According to the law of reflection, the angle of reflection is equal to the angle of incidence. Therefore, the angle of reflection is also 60 degrees.

A plane mirror is placed at an angle of 60 degrees to the incident ray. What is

Practice Questions

Q1
A plane mirror is placed at an angle of 60 degrees to the incident ray. What is the angle of reflection?
  1. 30 degrees
  2. 60 degrees
  3. 90 degrees
  4. 120 degrees

Questions & Step-by-Step Solutions

A plane mirror is placed at an angle of 60 degrees to the incident ray. What is the angle of reflection?
  • Step 1: Understand that a plane mirror reflects light according to the law of reflection.
  • Step 2: The law of reflection states that the angle of reflection is equal to the angle of incidence.
  • Step 3: Identify the angle of incidence, which is given as 60 degrees (the angle between the incident ray and the normal to the mirror).
  • Step 4: Since the angle of reflection equals the angle of incidence, the angle of reflection is also 60 degrees.
  • Law of Reflection – The angle of reflection is equal to the angle of incidence, measured from the normal to the surface.
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