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Question
Name the kind of mirror used to obtain:
A virtual and diminished image
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Solution
Convex
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RELATED QUESTIONS
A student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen (S) as shown below in the diagram. Select the correct statement about the device (X).

A lens forms a real image 3 cm high of an object 1 cm high. If the separation of object and image is 15 cm, find the focal length of the lens.
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Define the following term:
spherical mirror
