Advertisements
Advertisements
प्रश्न
उत्तर
APPEARS IN
संबंधित प्रश्न
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
What will be the focal length of this mirror?
The letters on the front of an ambulance are written laterally inverted like . Give reason.
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
Define the following term:
convex mirror
Complete the following diagrams shown in the following figures by drawing the reflected rays.
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?