1.

2 An object of height 2 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cmDraw a scale diagram to locate the image. From thediagram, find the length of the image formed.​

Answer»

tion:by MIRROR formula , 1/ f = 1/v- 1/U .........(1)f = -10 CMV = ?u = -15 cmfrom (1), 1/ v = 1/f + 1/ u1/ v = 1/-10 + 1/ -15 = -1 / 10 - 1/15 = -3 -2 / 30 v = - 6 CM



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