Question

To determine the approximate value of the focal length of a given concave mirror, you focus the image of a distant object formed by the mirror on a screen. The image obtained on the screen, as compared to the object is always : (a) Laterally inverted and diminished (b) inverted and diminished (c) Erect and diminished (d) Erect and highly diminished

Answer 1

The image obtained on the screen as compared to the object is always real, inverted and highly diminished as concave mirror forms an image of an object located at infinity on the principle focus. From the infinity source the rays of light always travel parallel to the principle axis and meet at the principle focus forming a highly diminished image.
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Answer 2

Inverted and diminished

Explanation:

Concave mirror is a type of spherical mirror. It forms an image behind the mirror. The formed image is real and it is inverted. When the object is placed between pole and the focus of of a mirror, the image is formed image it and the formed image is virtual and erect.

The correct option is (b) "inverted and diminished". Hence, this is the required solution.

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Concave mirror

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