Advertisements
Advertisements
प्रश्न
If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
Advertisements
उत्तर

`angle r + 23° = 90°`
`=> angle r = 67°`
Using law of reflection, we have
`angle i = angle r = 67°`
संबंधित प्रश्न
The following diagram shows a point object O placed in front of a plane mirror. Take two rays from the point O and show how the image of O is formed and seen by the eye.

How is the position of image formed by a plane mirror related to the position of the object ?
With the help of diagrams, explain the difference between the regular and irregular reflection.
State four uses of a plane mirror.
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
Compare the characteristics of an image formed by a convex mirror and a concave mirror, when object is beyond center of curvature, but not at infinity.
Out of the following, choose the substance which is translucent medium:
Total internal reflection will occur if the angle of reflection is ______.
