Question

barejogari kya hai
${655}^{2}$
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Answer 1

Let the object distance be u then image distance is u+10

u=−u ; v=−(u+10) ; f=−12

v

1

+

u

1

=

f

1

u+10

−1

+

u

−1

=

12

−1

u(u+10)

2u+10

=

12

1

u=20cm

v=−30cm

Magnification is −

u

v

=−

20

30

=−1.5

Answer 2

Answer:

429025 is your answer.

Step-by-step explanation:

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