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An object is kept in front of a concave ...

An object is kept in front of a concave mirror of focal length 15 cm. the image formed is three times the size of the object. Calculate the two possible distances of the objects from the image.

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MODERN PUBLICATION-REFLECTION AND REFRACTION-EXAMPLE
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  2. A concave mirror of focal length 20 cm forms a real image at a distanc...

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  3. A convex mirror used on an automobile has a radius of curvature of 3 m...

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  4. An object 1 cm high is place on the axis and 15 cm from a concave mirr...

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  5. The image formed by a concave mirror is half in size of the object. If...

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  7. When an object is placed at a distance of 60 cm from a convex spherica...

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  8. Find the position of an object which when placed in front of a concave...

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  9. An object is placed 10 cm from a concave mirror of radius of curvature...

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  10. An object is placed 15 cm from a convex mirror of radius of curvature ...

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  12. What is the speed of light?

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