Question

Using sign convention

we get

R1 = - 30 cm , R2 = 60 cm

and
also given that n = 1.5

using 1/f = (n -1 ) ( 1/ R1 - R2 )

1/ f = ( 1.5 - 1 ) [ 1 /(- 30) - 1 / 60 ]

Solving this , we get

f = - 40cm

Here minus indicates that the lens is divergent


Akash i hope it helps you ra


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Answer 1

Answer:

tq .....

I love my tradition a lot

my frnds all say me to talk in pure srikakulam language

but nenu living in HYDERABAD

kada anduke radu

anyways meeru akkadunchi ....native ??

Answer 2

hiiii diiiiii

u are sooo cuteeee