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प्रश्न
Which type of mirror is used in the following?
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उत्तर
Concave mirror
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संबंधित प्रश्न
"A concave mirror of focal length 15 cm can form a magnified, erect as well as inverted image of an object placed in front of it." Justify this statement stating the position of the object with respect to the pole of the mirror in both the cases for obtaining the images.
Consider the following diagram in which M is a mirror and P is an object and Q is its magnified image formed by the mirror.
State the type of the mirror M and one characteristic property of the image Q.
What is a spherical mirror? Distinguish between a concave mirror and a convex mirror.
For what position of an object, a real and diminished image is formed by a concave mirror?
Draw the following diagram in your answer book and show the formation of image with the help of suitable rays:
An object is 100 mm in front of a concave mirror which produces an upright (erect image). The radius of curvature of the mirror is ______.
What is the position of the image when an object is placed at a distance of 20 cm from a concave mirror of focal length 20 cm?
A concave mirror produces a real image 1 cm tall of an object 2.5 mm tall placed 5 cm from the mirror. Find the position of the image and the focal length of the mirror.
An object is placed just outside the principal focus of concave mirror. Draw a ray diagram to show how the image is formed, and describe its size, position and nature.
Between which two points of concave mirror should an object be placed to obtain a magnification of:
(a) −3
(b) +25
(c) −0.4
A real image of an object is to be obtained. The mirror required for this purpose is:
(a) convex
(b) concave
(c) plane
(d) either convex or concave
Why does a beam of light when it enters glass at an angle? Why does it not bend if it inters the glass at right angles?
A convex mirror is used as a shaving mirror.
State two uses of a concave mirror.
Name the mirror(s) that can give (i) an erect and enlarged image, (ii) same sized, inverted image
Concave mirrors are used by dentists to examine teeth. Why?
An object at a distance of 30 cm from a
concave mirror gets its image at the same point. The focal length of the mirror is ______.
A concave mirror of focal length 20 cm forms an image having twice the size of object. For the virtual position of object, the position of object will be at ______.
