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(a) A converging mirror with a focal length of 20 cm is used to create an...

(a) A converging mirror with a focal length of 20 cm is used
to create an image, using an object at a distance of 10 cm. Is the
image real, or is it virtual? (b) How about f = 20 cm and do = 30
cm? (c) What if it was a diverging mirror with f = 20 cm and
do = 10 cm? (d) A diverging mirror with f = 20 cm and do = 30
cm?

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