The image of a candle flame placed at a distance of 30 cm from a mirror at a distance of
60 cm from its pole. What is the nature of the mirror ? Find its focal length. If the height
of the flame is 2.4 cm. State whether the image formed is erect or inverted
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Explanation:
The nature of the mirror is concave since the image formed is real. Hence, the focal length of the concave mirror is 20 cm. Thus, the image height is 4.8 cm. Image formed by the mirror is inverted.
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