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प्रश्न
Define linear magnification produced by a mirror?
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उत्तर
Linear magnification is defined as the ratio of the height of the image to the height of the object. It is taken to be positive for an image to be virtual and erect and negative when the image is real and inverted.
Magnification = height of image / height of object.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal focus
Name the two types of spherical mirrors. What type of mirror is represented by the:
back side of a shining steel spoon?
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?
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.
Name the kind of mirror used to obtain:
A real and diminished image.
Define the following term in relation to concave mirror.
Radius of curvature
In the following figure shows a concave mirror with its pole (P), focus (F) and centre of curvature (C). Draw a ray diagram to show the formation of the image of an object AB by the concave mirror.
Name the two types of spherical mirrors.
