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The light rays from a point object place...

The light rays from a point object placed at the focus of a concave mirror, after reflection

A

emerge perpendicular to the principal axis.

B

emerge parallel to the principal axis.

C

form real image.

D

Both (b) and (c)

Text Solution

Verified by Experts

The correct Answer is:
D
When light rays pass through the focus of a concave mirror, the reflected rays emerge parallel to the principal axis.
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Knowledge Check

  • After reflection, the light rays from a point object at the focus of a concave mirror,

    A
    emerge perpendicular to the principal axis.
    B
    emerge parallel to the principal axis.
    C
    form real image.
    D
    Both (b) and (c)

  • An object is placed at the focus of a concave mirror. The image will be

    A
    a real, inverted, same size at the focus
    B
    b real, upright, same size at the focus
    C
    c virtual, inverted, highly enlarged at infinity
    D
    d real, inverted, highly enlarged at infinity

  • A point object is placed at the focus of a convex mirror the image will be formed at

    A
    Infinity
    B
    Centre of curvature
    C
    At focus itself
    D
    None of these

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