Derivation of Equivalent Focal Length of two lens in contact optics

[@AjijurRahaman-gu2rx]

4:21

[@RajSarkar-w1i]

Apki teaching muja kuch Naiya shika diya tq sirr ❤

[@kamaldheeriya]

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[@RADHEMAHIMABHAJAN]

Best video for derivation in hindi i have ever seen in UA-cam...great workk😊🙏🏻

[@Siaram1998]

Finally got the appropriate derivation with appropriate dign convention

[@Fantasyworld7889]

Thanks sir ❤️❤️❤️

[@kamaldheeriya]

Thanks for your kind support

[@AbhishekKumar-hx6cb]

Second lens ke lie agr object I' hai to image left side bnani chahiye thi na lens ke

[@PremwatiYadav-jd5qs]

Thank you so much best video and easy method

[@kamaldheeriya]

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[@jaimahakal-sv2om]

Tq sir👌👌

[@kamaldheeriya]

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[@yousense1256]

Very nice sir I watch ur video every day

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[@ruhanayeasminborbhuyan6172]

Tnk u sir...😊

[@kamaldheeriya]

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[@ruhanayeasminborbhuyan6172]

@@kamaldheeriya 😊

[@Logo_maker_2.._]

Thank you thank you so much sir❤❤❤

[@kamaldheeriya]

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[@noumanvlogs8491]

Thank you sir for this vedio vry easy to understand

[@kamaldheeriya]

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[@sabakausar8978]

@@kamaldheeriya fs set ç9

[@trickipeadia5418]

All derivation videoes are amazing , I was literally sacred of derivations for tomorrow board exam now I am prepared, thanks sir❣️❤️

[@kamaldheeriya]

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[@abisekkumar5796]

Thank you sir

[@adityathakur9993]

Thanks alot sir💕💖💓💝💖❣️

[@kamaldheeriya]

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[@SSC_Dk]

Thank you so much sir ❣️

[@AjijurRahaman-gu2rx]

🎉😢

[@brandonflorida1092]

Thanks for wasting my time (and other peoples') with a video with an English title which isn't in English.

[@kamaldheeriya]

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[@Sandeshcrextha]

wtf

[@kamaldheeriya]

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[@barunsharma7797]

Thank you sir

[@kamaldheeriya]

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