on the axis of a concave length of focus length 16 cm, a concave mirror of focal length 8cm is kept.find the position of object?
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Answer:
by mirrors formula
u= position of object=-16
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The distance between the pole P of the concave mirror and the focus F is the focal length of the concave mirror. Thus, the focal length of a concave mirror can be estimated by obtaining a 'Real image' of a distant object at its focus, as shown in the figure.
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