10.Compound microscope | ray optics and optical instrument| physics class 12
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- Опубліковано 10 жов 2024
- Sachin sir physics
In this video i have explained the following topic
About compound microscope
Magnification of compound microscope
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Thanks for clearing my concepts
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log kabhi L/fo wala formula explain nai karte, par sachin sir ne kiya. thank you sir.
Sir aapke wajah se mere class 12 physics me 92 marks score hue the 2019 me . Aaj me bhi physics pada raha hoon.
Thank you so much sir🙏🙏
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Sir u are the one who can make tough concpts very easy ... Boht jaghaa sai padhaa but this video clear all my doubts regarding compound microscope
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BEST VIDEO ON COMPOUND MICROSCOPE AWESOME EXPLANATION 😎😎😎😁
I want numericals on each and every topic so can u plzz upload that and I liked this video. Soo much
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Sir m=d/f is make infinite image then why we use this equation in compound telescope....and sir in compoond telescope where is object placed on principal axis...please sir....
Sir for second lens when refracted rays came to eye piece, did they used total internal reflection at a critical angle
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Sir , me=D/fe is applicable when final image is formed at infinity , but in derivation image is at near point .so. my question that you used
me=1+D/fe.
sir great work! but clarify this doubt
bro for the eyepiece lens...the object is approximately at its focus..so we will use the formula Me=D/fe...n we have learnt in previous lecture that when the object is at focus the formula used for magnification is M=D/fe.....
I'm pretty sure I'm late, but i guess writing this will help me so, what happened is that when the image is at infinity, the object is to be kept at focus ,so m=heigh.ob/f obj / height of obj /D , which equals to m=D/f of obj
This equation is used object is in focus
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Sir at last Me should equal to ( D+Fe)/Fe as the obj form b/w the focus and the poal of the eyepiece through the objective.
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Simple mcrscp me object focus and optic centre ke beech me rakhre. then what about cmpnd mcrscp ...object focus and optic k beech me nhi rakhre?
Sir ji reply dijiye naa m waiting ...
sir , nice lecture about compound microscope
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Sir...wht will be the resultant of focal length of two lens when the optic centre is differnt for both ...
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Sir can you please explain why the image formed by object is not real and behind the object as in the case of #simplemicroscope.
(the one ray is also passing through optical centre and other parallel to principal axis through focus) same case
Please reply🙏🙏
Sir u told that when focal length is dec. Lense became shorter and image will not be sharp image /perfect image .
But for small lense the image is sharp as all the rays meet at focus that results in the formation of sharp image .
Plzz clear my doubt .
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Sir in case of the compound microscope after the rays pass through the eye piece how come it reflect back?You should have shown it with dotted lines and without direction arrows..
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Sir plZ plz clear my confusion...
I want to find this magnification in term of v0 and ue
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Really understanding
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Excellent explanation , with step by step details covering all the basics. Hats off !!!!
Yes there is indeed problem in ray diagram for eyepiece but we would manage it.
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Sir the length L is distance between the focus or is it the distance between the two lenses.if we use the former numericals get unsolvable in some cases
Sir why we not used term angular magnification here why just magnification??
Sir I have a doubt..... sir jo aapna formula use kia eyepiece ke magnification batate waqt i.e. m= d/f .... Sir ye formula tb ke lia tah n jb image infinity pr form ho ri thi.. or simple microscope pr to m= 1-d/f ka formula aapna bataya hain ...sir plz hmari confusion dur kr dijia
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M=d/f when the object is at focus point ..here the image is at infinity which we can't see but sir uhh tells that here the eyes can see the image comfortably means in relaxed way,,,how sir???
The magnification isn't negative in case of compound microscope ?
Which one is correct
1. L/fo * D/fe or
2. -L/fo(1+D/fe)
Sir I am lil bit confusing about the beta angle.Where it has to take. What it actually indicates ? In book , it has taken at lens and in the video you took it at focus ( triangle ORP ) . Can we take here anywhere ?
@@sachinsirphysics thank you so much sir. You really made Physics so much easy. I also aapply your concepts while teaching..
Sir, why the magnification of. Compound microscope is product of. Magnification of objective lens and eyepiece ??
after magnifying the height from object lens that height will magnify more by other lens.
let h=object height, h1=height formed by object lens, h11=height form finally.
m1=magnification of object lens
m2=magnification of eye lens
m=final magnification
now h1=(m1)h
and h11=(m2)(h1) =(m2)(m1)h
therefore (h11/h1)=(m2)(m1)=m
A real teacher u are sir,nice explanation
Sir m=d/f and m=1+d/f mein fark kya ha ?? I mean application kaha krenge dono Ka??
Thnx sir ... for give me information to related compound microscope😊😊😊
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Sir mera ek confusion h ki bhle hi image large mil rha pr ye to inverted h, to Kya hme inverted hi dikhega
Tubelengh aur lenth of microscope me kya diff hai
U expain this topic very easily. Lots of love to u ❤👌🏻
Wow sir I easily understand this derivation..
Sir while doing numericals on compound microscope do we need to use sign conventions pls reply fast
if the value of refraction is 0 which is passing from optical center ....
then what is value that object B in first lens
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Sir if the rays actually meet then how can virtual image be formed(in eye piece)??
Because object is very closer to eyepiece
Ek baat smjh ni aayi sir...agr focal length choti hone se image achi nii milegi to tb kse achi bnegi jb phle wale lens ki image ki image banegi...kuki wo image bhi to eye lens k pass bnegi...to uski focal length choti hogi na...phir bhi kse....plz sir reply krna...aap khtw ho ki jo bhi pblm ho comment section khula h puchne k liye... isliye pucha h..plz btana sir...
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