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संबंधित प्रश्न
Explain the following term related to spherical lenses: focal length
Give one use each of a concave and a convex mirror.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
Define the following term in relation to concave mirror.
Principal axis
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.
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?
