suppose you want to observe an erect image of a candle flame using a concave mirror of focal length 20 cm . state the range of distance of the candle flame from the mirror . list 2 other characteristics of the observed image . draw a ray diagram to show the formation of image in this case .
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we know that concave mirror produces erect image only in one case : when the object is placed between the pole and focus.
therefore object distance (u) < 20 CM.
refer ncert text for diagram.
MARK AS BRAINLIEST
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