Ray optics
Isme jab lens formula lagayenge to dikkat nahi hogi. Bcz pehle lens pe agar formula lagayein to dusre vala uski ray mein kuch changes kardega, to image kahin aur banjegi and lens formula se kahin aur ayegi.
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@Gyro Gearloose
Note for OP
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2nd lens first lens se jo ray jayegi, ray ko disturb karega
To image kahin aur banni chahiye, ye kehraha hun
Are nahi na
Why
Firstly ray 1st lena se pass karegi then 2nd se
Vo 2nd vala disturb krdega na ray ko
To img kahin aur bnegi
@SchrodingerBilla
Ji bilkul
Ek baar check karo ray diagram banake ache se visualise hoga
Ive the diagram
Usse kya visualize karun
There can be many cases for diff values of object distance and dist bw lenses
But jin cases mein aisa horaha unka kya karein
Anyone?
What's the answer ???
answer se kya karna ha
mera doubt to kuch aur ha
vese agar chahiye main bata deta hu
posn of final image = 50/3, m =1.33
Haan to jo aap bol rahe hai ki position change hogi lens 2 ke effect se to obviously yes
Agar hamne pehli baar lens formula se position nikali lens 1 se to vo 20 cm to the left of lens 1 banegi which is virtual w.r.t lens 1
Ab kyunki lens 2 bhi uske paas hai to uska bilkul effect aayega aur phir ham agli position lens 2 se nikalenge
To 20 cm + 5 cm would be the second object distance w.r.t lens 2
Aur uske baad lens formula se image distance nikalna
acha
agar hmari pehli image real hoti maanlo agar
aur vo lens 2 ke aage bnti
fir kuch glt hota usme.
mtlb jese lens formula se lens 1 mei se kuch posn ai image ki, which is to the right of lens 2
tab ye cheez galat hojati?
Na, phir bhi ham lens formula laga sakte hai lekin is baar object distance +ve aa jaegi w.r.t lens 2
Lekin haan phir problem aa sakti hai ki agar vo dusri baar lens formula lagane ke baad beech mei aayi ya lens 1 ke left mei aayi to phir hame pata nahi lagega ki uske baad bhi reflection hokar dobara image banegi ya nahi to there will be some confusion
yeah vahi na
chalo krdeta close isko
+solved @Prachi
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