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संबंधित प्रश्न
Explain the following term related to spherical lenses:- optical centre
Explain the following term related to spherical lenses: focal length
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Define the following term in relation to concave mirror.
Pole
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
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?
