A point source is placed on the axis of a concave mirror as shown in the figure. Column-IColumn-II(i) A part of the mirror[A]Intensity of the is removed(ii) A part of the mirror black paper[B] Position of the is cover(iii) The mirror is rotated by a small angle θ[C]Size of the imagemay change(iv) The mirror is displaced keeping the principal axis parallel[D] Focal length of the mirror changes

A point source is placed on the axis of a concave mirror as…

Physics Ray Optics Mix MCQ (Single Correct)

A point source is placed on the axis of a concave mirror as shown in the figure.

Column-I	Column-II
(i) A part of the mirror	[A]Intensity of the is removed
(ii) A part of the mirror black paper	[B] Position of the is cover
(iii) The mirror is rotated by a small angle θ	[C]Size of the image may change
(iv) The mirror is displaced keeping the principal axis parallel	[D] Focal length of the mirror changes

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Ans.

(i) [A]

(ii) [A]

(iii) [A],[B],[C]

(iv) [A],[B],[C]

Sol.

(i) Intensity of the is removed

(ii) Intensity of the is removed

(iii) Intensity of the is removed, Position of the is cover, Size of the image may change

(iv) Intensity of the is removed, Position of the is cover, Size of the image may change

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