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A ray of light passing through centre of...

A ray of light passing through centre of curvature of a spherical mirror retraces its path on reflection from the mirror.

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A ray of light passing through centre of curvature of a spherical mirror, falls normally on the mirror. Threrfore, it retraces its path on reflection.
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A ray of light passing through centre of curvature of a concave mirror retraces its path on reflection. Why ?

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Knowledge Check

  • Assertion (A) : A ray of light passing through the centre of curvature of a spherical mirror retraces its path after reflection from the mirror. Reason (R) : A ray of light passing through the centre of curvature of a spherical mirror is incident normally on the surface of the mirror.

    A
    Both (A) and (R) are true and (R) is correct explanation of the assertion.
    B
    Both (A) and (R) are true but (R) is not the correct explanation of the assertion.
    C
    (A) is true but (R) is false.
    D
    (A) is false but (R) is true.

  • The imaginary line passing through the centre of curvature and pole of a spherical mirror is

    A
    principal focus
    B
    principal axis
    C
    focal length
    D
    parallel ray

  • Consider the following statements. A ray of light incident alone the normal to the plane mirror retraces its path ofter reflection from the mirror. A ray of light alone the normal has angle of incident as pi /2 and hence, reflection from mirror. Choose the correct option from those given below.

    A
    Both I and II are correct
    B
    Both I and II are incorrect
    C
    I is correct and II is incorrect
    D
    I is incorrect and II is correct

    • Similar Questions

    Explore conceptually related problems

    Explain why, a ray of light passing through the centre of curvature of a convace mirror gets reflected back along the same path.

    Explain why a ray of light passing through the centre of curvature of a concave mirror gets reflected along the same path after reflection.

    Mark the statement True (T) or False(F).A ray of light incident parallel to the principal axis of a spherical mirror retraces its path after reflection.

    Statement I If a light ray retraces its path after reflection from a mirror, then mirror must be a plane mirror. Statement II When a light ray passing through the centre of curvature of a spherical mirror, it retraces its path

    If an incident ray passes through the centre of curvature of a spherical mirror, reflected ray will:

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