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प्रश्न
Define the following term in relation to concave mirror.
Center of curvature
उत्तर
The centre of a hollow sphere of which the mirror forms a part is called the centre of curvature.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
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.
What is the advantage of using a carbon paper rather than a white paper?
Name the spherical mirror which can produce a real and diminished image of an object.
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
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.
The distance from the pole to the focus is called ______.
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?
The image formed in a plane mirror is always inverted.
Explain why a ray of light passing through the center of curvature of a concave mirror, gets reflected along with the same pattern.
