Question

Concave lens is used in cameras to focus an image of film. Is the statement True or False?

A

True

B

False

Easy

Solution

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Correct option is
B

False

Camera need a lens which can produce real image (images that can be obtained on the screen) of the object on the photographic film or screen.

A always produces virtual, erect and diminished images and the decrease in the size of the image depends on the position of the object.

A produce real and virtual, erect and inverted, diminished same sized and magnified image depending upon the position of the object on the principal axis. For object distance beyond Focus, the convex lens always produces real and enlarged images.

Hence, the correct answer is OPTION B.

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