Question

When an object of height 3 cm is placed at a distance of 30 cm
from a lens, a real image is formed at a distance of 60 cm. Find
out the height of the image.
​

Answer 1

Ans : The of image is 6 CM

Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

height of object=3cm

u= -30

v= 60

height of the image= ?

using the formula for magnification.

m=hi/ho

but,

m= v/u

therefore, v/u=hi/ho

60/-30=hi/3

-2*3=hi

hi= -6

the height is negative because the image is inverted.

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