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प्रश्न
What sign (+ve or −ve) has been given to the following on the basis of Cartesian Sigh Convention?
Height of a real image.
उत्तर
A negative sign has been given to the height of a real image.
(Because a real image is formed below the principal axis, it's given a negative sign).
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संबंधित प्रश्न
Which type of mirror could be used as a dentist's mirror?
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(c) at pole
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Fill in the following blank with suitable word:
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10 cm from the lens?
A convex mirror has a focal length of 18 cm. The image of an object kept in front of the mirror is half the height of the object. What is the distance of the object from the mirror?
For a plane mirror, magnification m = ______.
A negative sign in the value of magnification indicates that the image is ______.
