Question

1. Find the size, nature and position of image formed by Concave Mirror, When an object of size 1 cm is placed at
a distance of 15 cm. Given focal length of mirror is 10 cm.
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Answer 1

Explanation:

u=-15cm

f=10cm

h=1cm

1/f=1/u + 1/v

1/10=1/-15 + 1/v

1/v=1/-15 - 1/10

1/v = -2-3/30

1/v = -5/30

1/v = -6

Nature= Real and inverted

Position= behind the mirror

Size = enlarged