Rankers Physics

Reflection by Spherical Mirrors: Practice Problem & Solution

A U-shaped wire is placed before a concave mirror having focal length 10 cm. Find the total length of the image : Reflection by Spherical Mirrors diagram: A U-shaped wire is placed before a concave
45 cm
30 cm
50 cm
10 cm

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Similar Practice Questions

Explore conceptually related problems to test your knowledge.

1. A point object is placed at a distance of 30 cm from a convex mirror of focal length 30 cm. The image will form at :
2. Assertion (A): A dentist uses a concave mirror to examine a small cavity. Reason (R): A concave mirror always forms a magnified and erect image.  
3. A point object is moving towards a concave mirror of focal length \(25\text{ cm}\). When it is at a distance of \(20\text{ cm}\) from the mirror, its velocity is \(5\text{ cm/sec}\). Find velocity of image at that instant :-
4. Assertion (A): In case of a concave mirror if a point object is moving towards the mirror along its principal axis then its image will always move away from the mirror. Reason (R): In case of reflection (along the principal axis of mirror) object and image always travel in same directions.  
5. An object of length 2.5 cm is placed at a distance of 1.5f from a concave mirror of focal length f. The length of the object is perpendicular to the principal axis. Find the length of image ?