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प्रश्न
The diagram below in Figure, shows a convex mirror. C is its centre of curvature and F is its focus. (i) Draw two rays from A and hence locate the position of image of object OA. Label the image IB. (ii) State three characteristics of the image.
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उत्तर
The ray diagram shows two light rays from A.
The image of the object OA is formed between the focus and the pole on the other side of the mirror.
The image so formed is erect, virtual and diminished.
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संबंधित प्रश्न
An image which can be obtained on a screen is called a ______ image.
We can obtain an enlarged and erect image by a convex mirror.
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
Three mirrors are created from a single sphere. Which of the following - pole, centre of curvature, radius of curvature, principal axis - will be common to them and which will not be common?
Name the two kinds of spherical mirrors and distinguish between them.
Name the mirror which always produces an erect and virtual image. How is the size of image related to the size of object?
State the kind of mirror used
(a) By a dentist,
(b) As a search-light reflector.
Define the following term in relation to concave mirror.
Principal focus
AB is the object, A'B' is the image, and MM' is the position of the mirror. Complete the ray diagram showing the formation of the image and find the focal length of the mirror.
Define the term Centre of curvature.
