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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Name the spherical mirror which can produce a real and diminished image of an object.
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
How is a spherical mirror used to converge a beam of light at a point? Name the type of mirror used.
When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror, by drawing.
Is real image always inverted?
What is “aperture”?
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?
