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/principal-focal-point-(two-of-them)-convex-lens-36.77d7742.jpg "Principal focal point (two of them)")
Principal focal point (two of them)
To find the focal length of a convex lens by plotting graphs between u and v
The value of the focal length of the lens is equal to the value of the image distance when rays are (A) Passing through optical center(B) Parallel to the principal axis.(C) Passing
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/principal-focal-point-(two-of-them)-convex-lens-35.5278959.jpg "Principal focal point (two of them)")
Principal focal point (two of them)
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/principal-focus-point-and-refractive-index-(n)-22-1_v2.c741a3f.jpg "Principal focal point and refractive index (`n`)")
Principal focal point and refractive index (`n`)
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