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  1. Microscopy: Intro to microscopes & how they work (article

    The fancier instruments that we typically think of as microscopes are compound microscopes, meaning that they have multiple lenses. Because of the way these lenses are arranged, they …

  2. Compound microscope (video) | Khan Academy

    Let's explore the principle of a compound microscope and then logically build one, step by step.

  3. Compound microscope (video) | Khan Academy

    Let's explore the principle of a compound microscope and then logically build one, step by step.

  4. Compound Microscope and Case (video) | Khan Academy

    Compound Microscope and Case, c. 1751, attributed to Claude-Simeon Passemant. Gilt bronze, enamel, shagreen and glass; wood, tooled leather, brass, velvet, silver galon and various …

  5. Cell biology and microscopy (article) | Khan Academy

    Scientists use light microscopes to study cell structures and to observe cell movements and interactions. For example, light microscopes can be used to observe cell division, the behavior …

  6. Introduction to cells review (article) | Khan Academy

    Simple light microscopes, such as magnifying glasses, generally are not powerful enough to view cells. Therefore, scientists need to use compound light microscopes or electron microscopes …

  7. Solved example: magnifying power of compound microscope

    we have a compound microscope whose objective focal length is 5 millimeters eyepiece focal length is 2 and 1/2 centimeters a sample is kept at 6 millimeters from the objective find the …

  8. Worked example: Compound Microscope - Khan Academy

    Let's solve a question on Compound microscope!

  9. Ray optics and optical instruments - Khan Academy

    In this unit, let's learn about reflection, refraction, defects in the human eye and the lenses we use to correct them, and optical instruments such as the microscope and telescope.

  10. How telescopes and microscopes work. | Khan Academy

    Compound microscope and telescope - qualitative Get 3 of 4 questions to level up!