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प्रश्न
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उत्तर
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
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.
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
Why is a hole burnt in the carbon paper?
Write the mirror formula. Give the meaning of each symbol which occurs in it.
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
Define the term Focus of a concave mirror.
Define focal length.
Numerical problem.
The radius of curvature of a spherical mirror is 25 cm. Find its focal length.
