Eye|human eye|myopia|hypermetropia|presbiopia|astigmatism|wave optics|STD 12 Physics|sky physics

[@ushakaruppasamy7626]

Superb sir.. thank you

[@beyondbeauty1853]

Really useful thank you sir

[@skyphysics4621]

Welcome pa

[@ARUNKUMAR-qn9yc]

Spr aa purinjudhuu sir

[@skyphysics4621]

Welcome

[@startechies9878]

Sir for strained eye , focal length is 2.27 only.
Because 1/ f = 1/2.5 + 1/25 = (10+1)/25 =11/25
=> f = 25/11 = 2.27

[@skyphysics4621]

🤔

[@rajkumarr5044]

Yes

[@ARUNKUMAR-qn9yc]

Stained eye addition panradhu pathil subtraction panniyachuu sir