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Why does a driver use a convex mirror instead of a plane mirror as a rear view mirror?
Illustrate your answer with the help of a ray diagram.
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Which mirror will you prefer to use as a rear view mirror in a car : plane mirror or convex mirror? Give one reason.
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(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
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State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
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State two uses of a concave mirror.
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How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
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Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
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Upto what maximum distance from the pole the image in a convex mirror can be obtained? what will be the location of object then ?
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Draw a ray diagram to show the formation of image of an object kept in front of a convex mirror. State three characteristics of the image.
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For an incident ray directed towards centre of curvature of a spherical mirror the reflected ray:
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The image formed by a convex mirror is
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A real and enlarged image can be obtained by using a
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The radius of curvature of a convex mirror is 40 cm. Find its focal length.
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The focal length of a concave mirror is 10 cm. Find its radius of curvature.
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The magnification for a mirror is -3. How are u and v related?
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The erect image formed by a concave mirror is of size double the size of object. How are u and v related?
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The image formed by a convex mirror is of size one third the size of object. How are u and v related?
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A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it.
Find : (a) the focal length of the mirror (b) position of image
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A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
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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?
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