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If You Want to See an Enlarged Image of Your Face, State Whether You Will Use a Concave Mirror Or a Convex Mirror? - Science

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प्रश्न

If you want to see an enlarged image of your face, state whether you will use a concave mirror or a convex mirror?

उत्तर

To see an enlarged image of our face, we use a concave mirror. This is because when an object is extremely close to a concave mirror, it forms a virtual, erect and enlarged image. Whereas, in a convex mirror, the image formed is virtual, erect and smaller than the object.

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पाठ 4: Reflection of Light - Exercise 6 [पृष्ठ २०५]

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लखमीर सिंह Physics (Science) [English] Class 10
पाठ 4 Reflection of Light
Exercise 6 | Q 3 | पृष्ठ २०५

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संबंधित प्रश्‍न

Draw diagram to show the action of convex mirror on a beam of parallel light rays. Mark on this diagram principal axis, focus F, centre of curvature C, pole P and focal length f, of the convex mirror.


What kind of mirrors are used in big shopping centres to watch the activities of the customers? 


A ray of light of going towards the focus of a convex mirror becomes parallel to the principal axis after reflection from the mirror. Draw a labelled diagram to represent this situation.


A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification. 

What is the radius of curvature of the mirror? 


Draw ray diagrams to represent the nature, position and relative size of the image formed by a convex lens for the object placed: 

at 2F1


An object is placed at a distance of 100 cm from each of the above lenses A and B. Calculate (i) image distance, and (ii) magnification, in each of the two cases.


Numerical problem.

A concave mirror produces three times magnified real image of an object placed at 7 cm in front of it. Where is the image located? (Ans: 21 cm in front of the mirror)


An object at a distance of  +15 cm is slowly moved towards the pole of a convex mirror. The image will get ______.


The nature of image formed by a convex mirror when the object distance from the mirror is less than the distance between pole and focal point (F) of the mirror would be ______.


The image formed by these mirrors is ______ than the object.


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