OMTEX CLASSES: Focal length of lens.

OMTEX CLASSES

- 12th Std.
- 11th Std.
- 10th Std
- 9th Std.
- 8th Std.
- 7th Std.
- 6th Std.
- 3rd Std.
- 2nd Std.
- 1st Std.
- TNPSC
- Cinema

OMTEX AD 2

Focal length of lens.

The distance of principal focus and optical centre of the lens is the focal length.

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Labels: Focal length of lens.

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OMTEX CLASSES AD