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प्रश्न
Which type of mirror is used in the following?
Head lamps of a car
उत्तर
Concave mirror
APPEARS IN
संबंधित प्रश्न
Draw a ray diagram to show the path of the reflected ray corresponding to an incident ray of light parallel to the principal axis of a convex mirror and show the angle of incidence and angle of reflection on it.
Draw a ray diagram to show the path of the refracted ray in each of the following cases:-
A ray of light incident on a concave lens is
(i) passing through its optical centre.
(ii) parallel to its principal axis.
(iii) directed towards its principal focus.
A concave mirror produces three times magnified (enlarged) real image of object placed at 10 cm in front of it. Where is the image located?
Name the type of mirror used in the following situation:
Headlights of a car
Support your answer with reason.
Find the focal length of a concave mirror whose radius of curvature is 32 cm.
Fill in the following blank with suitable word:
The focal length of a concave mirror is the distance from the ......... to the mirror.
ill in the following blank with suitable word:
For a convex mirror, parallel rays of light appear to diverge from a point called the ......... .
Draw the following diagram in your answer book and show the formation of image of the object AB with the help of suitable rays:
With the help of a labelled ray diagram, describe how a converging mirror can be used to give an enlarged upright image of an object.
The angle of incidence for of light passing through the centre of curvature of a concave mirror is:
(a) 45°
(b) 90°
(c) 0°
(d) 180°
An object is placed at a distance of 10 cm from a concave mirror of focal length 20 cm.
Calculate the image distance.
A man holds a spherical shaving mirror of radius of curvature 60 cm, and focal length 30 cm, at a distance of 15 cm, from his nose. Find the position of image, and calculate the magnification.
What type of mirror should be used as a shaving mirror?
Radius of curvature of a spherical mirror is ............. its focal length.
Under which of the following conditions a concave mirror can form an image larger than the actual object?
Examine the above figure and state which of the following option is correct? [one small box in the figure is equal to 1 cm]
Identify the device used as a spherical mirror or lens in following case, when the image formed is virtual and erect in case.
Object is placed between device and its focus, image formed is enlarged and behind it.
You are provided with a concave mirror, a convex mirror, a concave lens and a convex lens. To obtain an enlarged image of an object you can use either
The ENT doctor uses a ______.
