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प्रश्न
उत्तर
A concave mirror forms a real image equal in size to the object when the object is kept at centre of curvature, C
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संबंधित प्रश्न
An image which can be obtained on a screen is called a ______ image.
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
Write the mirror formula. Give the meaning of each symbol which occurs in it.
State two uses of a concave mirror.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Size of image of an object by a mirror having a focal length of 20 cm is observed to be reduced to 1/3rd of its size. At what distance the object has been placed from the mirror? What is the nature of the image and the mirror?