Science, asked by kundanrjk3, 3 months ago

The sizes of the image and object are equal in a lens of focal length 20 cm. Name

the type of lens and distance of object from the lens.​

Answers

Answered by yasmin54
0

Answer:

f=20cm

and v=40cm

v

1

u

1

=

f

1

40

1

u

1

=

20

1

u

1

=

40

−1

⟹u=−40cm

magnification m=

u

v

=

−40

40

=−1

Hence, the image formed is real , inverted and of same size as that of the object.

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