CBSE BOARD X, asked by adra76308, 1 year ago

Please help me with your answer.

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Answers

Answered by crazymind56
1

Concave lens are used .......

U = infinity

V = 25cm

F =????

Therefore

By using lens formula

F =25cm..........

Therefore power is equal to 1/f

Therefore power is equal to 4D ...........,................#SOLUTION

As f is in cm we have to convert it into metre therefore 25 cm is equal to 0.25

JAY HIND

JAY BHARAT

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crazymind56: Mark as brain list answer
adra76308: Seems like you are so patriotic. Jay hind. Jay bharat.
crazymind56: I love my country
crazymind56: Mark as brain list answer
crazymind56: It will be honour for me
adra76308: Even i want u to b the brainliest. But the brainliest answer can be chosed from 2 answers. And to my ques only you hv answered. i.e only one ans i hv.
crazymind56: Ok I see
crazymind56: Jai Hind Jai Bharat
adra76308: Btw are u sure abt the answer? Many of my frnds are quralling dt d ans will be hypermetropia. But according to me it has to be mypoia. What do u say ??
crazymind56: Myopia as he is not able to see far object........
Answered by isfak
0
...........................

adra76308: Ok.....then....but i will msg only once now. And then after exams.
adra76308: I will text u now.
isfak: ok
isfak: I agree
isfak: hey
isfak: i am waiting
isfak: had u got
isfak: hey adra
isfak: I have got ur msg
isfak: but its not showing in WhatsApp
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