Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
A simple microscope is used by watch repairers. Give reason.
Image formed by a convex ______ is always virtual and smaller in size.
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
A real and enlarged image can be obtained by using a
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
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?
