Science, asked by SulagnaRoutray, 1 year ago

plz do it.
answer fast​

Attachments:

Answers

Answered by deepakthakur222
1

because the size of eye increased or focal length decreased I know 1 answer only sorry


SulagnaRoutray: thanks bro
SulagnaRoutray: I'm a fork
SulagnaRoutray: sry In a girl
SulagnaRoutray: I'm a girl
SulagnaRoutray: don't say me brother
Answered by abhishekb740
1

As the near point is 25cm and is a convex lens Therefore for closest distance,

u= - 25cm

f= +5cm

By using lens formula we get,

1/f = 1/v -1/u

=> 1/5 = 1/-25 -1/u

=> 1/u = -1/25-1/5 = -1-5/25 = -6/25

u = -25/6 = -4.2 cm

Let v' be the image distance and u' be the object distance of farthest point, Therefore

For the farthest distance,

v' = ∞

f = 5cm

1/f = 1/v’ -1/u’

=> 1/5 = 1/∞ - 1/u’

u’ = -5cm

Hence the closest distance and farthest distance are - 4.2cm and

- 5cm respectively.

I hope it will help u buddy.

Pls mark it as brainliest ans brother.


abhishekb740: Thnx for brainliest
SulagnaRoutray: thanq 4 ur answer
abhishekb740: Anytime
SulagnaRoutray: thanx
Similar questions