Advertisements
Advertisements
प्रश्न
How is a spherical mirror used to converge a beam of light at a point? Name the type of mirror used.
Advertisements
उत्तर
If a parallel beam of light is incident on a concave mirror, it converges the beam to a point called focus
Type of mirror used is CONCAVE.
APPEARS IN
संबंधित प्रश्न
Image formed by a convex ______ is always virtual and smaller in size.
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
The diagram below in Figure, shows a convex mirror. C is its centre of curvature and F is its focus. (i) Draw two rays from A and hence locate the position of image of object OA. Label the image IB. (ii) State three characteristics of the image.
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
A real and enlarged image can be obtained by using a
Define the following term:
convex mirror
Define the term principal focus in case of convex mirror. Draw a convex mirror and show its principal focus and focal length clearly.
A student traces the path of a ray of light passing through a rectangular slab.
 |
 |
 |
 |
For measuring the angle of incidence, he must position the protractor in the manner shown in the figure:
