Advertisements
Advertisements
प्रश्न
The diagram given below in fig shows a ray of light AO falling on a surface separating two media. Draw the refracted ray in each, case.
Advertisements
उत्तर
Refracted ray 0 C is shown in each case.
Towards the normal or ∠r < ∠i
Away from the normal or ∠r > ∠i
Refracted ray goes undeviated
or
∠i = 0
∠r = 0
APPEARS IN
संबंधित प्रश्न
Find the nature and focal length of a spherical mirror whose radius of curvature is +24 cm.
State whether the following statement is true or false:
A diverging mirror is used as a rear-view mirror.
- Draw a labelled ray diagram to show the formation of image in a convex mirror when the object is at infinity. Mark clearly the pole and focus of the mirror in the diagram.
- State three characteristics of the image formed in this case.
- Draw diagram to show how a convex mirror can be used to give a large field of view.
An object is placed at a distance of 10 cm from a convex mirror of focal length 5 cm.
(a) Draw a ray-diagram showing the formation image
(b) State two characteristics of the image formed
(c) Calculate the distance of the image from mirror.
An object placed 20 cm in front of a mirror is found to have an image 15 cm (a) in front of it, (b) behind the mirror. Find the focal length of the mirror and the kind of mirror in each case.
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
When the reflecting surface is curved outwards the mirror formed will be ______.
Magnification produced by a rear view mirror fitted in vehicles
A convex rearview mirror is preferred over a plane mirror in a car. Why?
