Foundation Udaan 2025 Physics: Light - Reflection & Refraction
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Questions and Answers

What is the distance between the boy and his image in a plane mirror, if the boy is standing 3 m in front of the mirror?

  • 6 m (correct)
  • 1.5 m
  • 9 m
  • 3 m

    • If the boy moves 1 m backward from the plane mirror, what is the new distance between the image and the boy?

  • 10 m
  • 2 m
  • 8 m (correct)
  • 4 m

    • What is the characteristic of the image formed by a plane mirror?

  • Real, inverted, and larger
  • Virtual, erect, and of the same size (correct)
  • Real, inverted, and smaller
  • Virtual, erect, and smaller

    • What is the relation between the angle of incidence and the angle of reflection in a plane mirror?

    <p>The angle of incidence is always equal to the angle of reflection</p> Signup and view all the answers

    Why are we able to see any object?

    <p>Due to the light reflected by the object</p> Signup and view all the answers

    What is the angle of deviation of a ray of light when it falls on a plane mirror at an angle of 60°?

    <p>45°</p> Signup and view all the answers

    How many images of an object can be observed between two parallel plane mirrors?

    <p>infinite</p> Signup and view all the answers

    What happens to the reflected ray when a plane mirror is rotated through an angle θ about an axis through the point of incidence?

    <p>It rotates through an angle 2θ</p> Signup and view all the answers

    What is the nature of the image formed by a plane mirror?

    <p>Virtual and same size</p> Signup and view all the answers

    At what distance should an object be placed in front of a plane mirror to see three images?

    <p>3 m</p> Signup and view all the answers

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