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प्रश्न
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
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उत्तर
The position of the object is 12 cm in front of the mirror.
Its size is 1 cm.
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
Image formed by a convex ______ is always virtual and smaller in size.
Give one use each of a concave and a convex mirror.
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
An object 5 cm high forms a virtual image of 1.25 cm high, when placed in front of a convex mirror at a distance of 24 cm. Calculate:
- the position of the image
- the focal length of the convex mirror.
Define the following term in relation to concave mirror.
Pole
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
Visit a nearby hospital. You can also visit the clinic of an ENT specialist, or a dentist. Request the doctor to show you the mirrors used for examining ear, nose, throat and teeth. Can you recognise the kind of mirror used in these instruments?
