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The image formed by a concave mirror of focal distance 20 cm is found at 40 cm
in front of the mirror. Knowing that the size of the object is h 2 mm, then the
size of the image is:
O h=-6 mm
O h= -4 mm
O h = -2 mm
O h= -5 mm
O h = -3 mm
Transcribed Image Text:The image formed by a concave mirror of focal distance 20 cm is found at 40 cm in front of the mirror. Knowing that the size of the object is h 2 mm, then the size of the image is: O h=-6 mm O h= -4 mm O h = -2 mm O h= -5 mm O h = -3 mm
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