Science, asked by shyamrathi000, 2 months ago

the focal length of a
a concave mirror is 30cm. find theposition of the object in front of the mirror sothat the image is three times
the size of the oljects.

Answers

Answered by vandanaanmol4

0

Answer:

u is -ve. f is -ve. -4/3u = 1/(-30) => u = 40 cm that is 40 cm infront of the mirror. -2/3 u = -1/30 u = 20 cm that is 20 cm in front of mirror.

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