Question

FIND THE POSITION, SIZE AND THE NATURE OF THE IMAGE FORMED BY A SPHERICAL MIRROR FROM THE FOLLOWING DATA u=-20, f=-15, ho=1.0cm
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Answer 1

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Answer 2

"" ❤️ Answer ❤️ ""

Given:

u= −20

f= −15

We know

f

1

=

v

1

+

u

1

−15

1

=

v

1

+

−20

1

v= −60cm

Now the magnification

m=

−

u

v

=

−3

Height of object

h=

1cm

Height of image

h

1

∣m∣×

h=

3×

1=

3cm