The image shows a close-up of an open book, with text and a table of numerical data. The text discusses optical concepts like lenses, focal length, magnification, and image formation. A table displays measurements labeled "Lens", "u (cm)", "v (cm)", "d (cm)", and "D (cm)", with corresponding numerical values. There are also handwritten annotations and calculations on the page, including mathematical formulas like 1/u + 1/v = 1/f and r = 4D/(D²-d²). The overall impression is of a scientific or educational document, possibly from a physics experiment or textbook. There is no information in the image that suggests a location in Jalingo, Nigeria, or any other specific geographical place. in Jalingo, Nigeria

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Jun 27, 2026, 11:12 AM

Jalingo, Nigeria

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The image shows a close-up of an open book, with text and a table of numerical data. The text discusses optical concepts like lenses, focal length, magnification, and image formation. A table displays measurements labeled "Lens", "u (cm)", "v (cm)", "d (cm)", and "D (cm)", with corresponding numerical values. There are also handwritten annotations and calculations on the page, including mathematical formulas like 1/u + 1/v = 1/f and r = 4D/(D²-d²). The overall impression is of a scientific or educational document, possibly from a physics experiment or textbook. There is no information in the image that suggests a location in Jalingo, Nigeria, or any other specific geographical place.

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