Optical Instruments
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57:40
Geometric Optics
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1:17:07
Practice Problems
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1:16:07
Electric Circuits
![](https://i.ytimg.com/vi/IuIlvmzpS64/mqdefault.jpg)
57:54
Wave Nature of Light
![](https://i.ytimg.com/vi/VmN3i4HW5l0/mqdefault.jpg)
14:38
Diffraction and interference of light | Physics | Khan Academy
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16:25
Lente de cámara f/0,38 fabricada con objetivo de microscopio de inmersión en aceite
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14:10
Simple microscope | Class 12 (India) | Physics | Khan Academy
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13:17