CameraIcon

SearchIcon

MyQuestionIcon

3

You visited us 3 times! Enjoying our articles? Unlock Full Access!

Image Formation by Spherical Mirrors

the rays para...

Question

the rays parallel to the principle axis of a spherical mirror meet at a point 20cm distant from its pole.identify the mirror and its focal length.

Open in App

Solution

A concave mirror converges a parallel beam of light parallel to its principal axis on the focus. Thus, the mirror used is a concave mirror of focal length 20 cm.

Suggest Corrections

thumbs-up

0

Similar questions

Q. A ray of light incident on a spherical mirror appears to intersect the principle axis

60 cm

behind the mirror. If the light ray retraces its path after reflection, then the focal length of the mirror is

Q. A ray of light incident on a spherical mirror appears to intersect the principle axis

60 cm

behind the mirror. If the light ray retraces its path after reflection, then the focal length of the mirror is

Q. A point object is moving on a principle axis of a concave mirror of focal length

24 c m

towards the mirror. When it is at a distance of

60 c m

from the mirror, its velocity is

9 c m / s e c

. What is the velocity of the image at that instant?

Q. A ray parallel to principle axis at height R/2 hits concave mirror and cut principle axis at point O. Length PO is

Q. The diagram below shows a ray of light traveling parallel to the principle axis of a concave spherical mirror. Point

F

is the principle focus and point

C

is the centre of curvature.
After striking the mirror, the ray of light will be reflected through the point:

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Image Formation by Spherical Mirrors - concept

PHYSICS

Watch in App

explore_more_icon

Explore more

Image Formation by Spherical Mirrors

Standard X Physics

Join BYJU'S Learning Program

CrossIcon