A person who cannot see objects nearer than 1 m wants to read a book placed at 25 cm . Find the power of lens . Pls show working.
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Answered by
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u= -25
v= -100
f= ?
1/v - 1/u = 1/f
(1/-100) -(1/-25)=1/f
((-1+4)/100)=1/f
3/100 =1/f
f =3.33 cm
P = 1/f
p= 1/3.33
p = 3 dioptre
hi,
I hope this will be helpful
please make it brainliest if it really helps you
Thank You.
note; sorry, answer in photo is wrong
v= -100
f= ?
1/v - 1/u = 1/f
(1/-100) -(1/-25)=1/f
((-1+4)/100)=1/f
3/100 =1/f
f =3.33 cm
P = 1/f
p= 1/3.33
p = 3 dioptre
hi,
I hope this will be helpful
please make it brainliest if it really helps you
Thank You.
note; sorry, answer in photo is wrong
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thedemigoddess:
Achha 1/3.33= 3 D kaise ho gaya?
Answered by
0
convex lens used in this case
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