Question

At object 1 cm height displays 2.5 CM of a concave mirror of focal length 2 cm. Find by ray diagram the position and nature of the image formed.
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Answer 1

Answer:

5cm

Explanation:

Given : u=−15 cm F=+10 cm h

o

=2.5 cm

Using lens formula :

v

1

−

u

1

=

F

1

∴

v

1

−

(−15)

1

=

10

1

⟹F=+30 cm

Also m=

h

o

h

i

=

u

v

∴

2.5

h

i

=

−15

30

h

i

=−5 cm

Answer 2

Answer:

solve like this

Explanation:

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