Question

Focal length of the concave lens is 10cm An 5cm object is placed 15cm distance from the pole find the image distance height of the image and mention the characteristics of the image .
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Answer 1

Answer:

H=5 cm

u = 15 cm

f= 10 cm

by using mirror formula

1/v=1/f-1/u

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

1/v=-3+2/30

v=-30

height of the image

h'/h=-v/u

h'/5=30/-15

h'=10 cm

position = 30 cm from concave mirror

nature = real and inverted

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Explanation:

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