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प्रश्न
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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 produced by a concave mirror is:
Magnification = height of image / height of object.
It is a pure ratio and does not have any units.
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
A concave mirror always forms a real image.
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
Which type of spherical mirror will it provide?
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
Define the following term in relation to concave mirror.
Focal length
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
A student traces the path of a ray of light passing through a rectangular slab.
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For measuring the angle of incidence, he must position the protractor in the manner shown in the figure:
A spherical mirror whose reflecting surface is curved outwards is called ______ mirror.
