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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 image is real and inverted.
Magnification = height of image / height of object.
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संबंधित प्रश्न
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A concave mirror always forms a real image.
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Define the terms pole, principal axis and centre of curvature with reference to a spherical 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.
The focal length of a concave mirror is 10 cm. Find its radius of curvature.
If the focal length of a spherical mirror is 10 cm, what is the value of its radius of curvature?
