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Prof-Kintush-has-a-near-point-of-45cm-and-his-far-point-is-infinity-What-type-of-lens-and-focal-length-should-be-recommended-for-his-normal-reading-




Question Number 41964 by Necxx last updated on 16/Aug/18
Prof Kintush has a near point of  45cm and his far point is infinity.  What type of lens and focal length  should be recommended for his  normal reading?
ProfKintushhasanearpointof45cmandhisfarpointisinfinity.Whattypeoflensandfocallengthshouldberecommendedforhisnormalreading?
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Commented by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
Answered by tanmay.chaudhury50@gmail.com last updated on 16/Aug/18
taking reference from the attached comments  this is hyperopic ...  lense should be converging  that means   bi convex lense...  d_0 =25cm   d_1 =−45cm  f=((d_0 ×d_1 )/(d_0 +d_1 ))=((25×−45)/(−25))=+56.25cm  p=(1/(f(in meter)))=(1/(0.5625))=1.78  pls check...
takingreferencefromtheattachedcommentsthisishyperopiclenseshouldbeconvergingthatmeansbiconvexlensed0=25cmd1=45cmf=d0×d1d0+d1=25×4525=+56.25cmp=1f(inmeter)=10.5625=1.78plscheck
Commented by Necxx last updated on 17/Aug/18
wow...Thank you so much sir Tanmay  please what pdf is this I′ll like to  download it . It seems more explanatory  than the others I have.
wowThankyousomuchsirTanmaypleasewhatpdfisthisIllliketodownloadit.ItseemsmoreexplanatorythantheothersIhave.

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