Advertisements
Advertisements
प्रश्न
How is a spherical mirror used to diverge a beam of light from a point? Name the type of mirror used.
उत्तर
In the case of a convex mirror, the reflected rays diverge and do not meet at a point after reflection. They appear to come from a point’ F on the principal axis.
The type of mirror used is a CONVEX mirror.
APPEARS IN
संबंधित प्रश्न
A ray of light is incident normally on a plane mirror. What will be the
angle of reflection?
What type of image is formed:
in a plane mirror?
What type of image is formed:
on a cinema screen?
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
In each case (a) and (b), draw reflected rays for the given incident rays and mark focus by the symbol F.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
