Khan Academy
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Khan Academy
Learn the basics of microscopy and how it is used to study cells and their structures.
Worked example: Compound Microscope (video) | Khan Academy
Let's solve a question on Compound microscope! Skip to main content. If you're seeing this message, it means we're having trouble loading external resources on our website. ... Simple Microscope - qualitative. Compound Microscope. How telescopes work. Astronomical Telescope. Science > UP Class 12 Physics > Ray optics and optical instruments >
Khan Academy
Understanding how light rays can be manipulated allows us to create better contact lenses, fiber optic cables, and high powered telescopes. 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.
Khan Academy
Learn about the phases of mitosis and their significance in cell division on Khan Academy.
Compound Microscope - Khan Academy
An object containing a fingerprint is kept 1.8 cm from the objective (f o = 1.4 cm) of a compound microscope. The fingerprint is observed to be magnified 30 times. Find the magnification produced by the eyepiece lens alone.
Compound Microscope (practice) - Khan Academy
An object containing a fingerprint is kept 1.8 cm from the objective (f o = 1.4 cm) of a compound microscope. The fingerprint is observed to be magnified 30 times. Find the magnification produced by the eyepiece lens alone.
Basic Geometry - Khan Academy
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Khan Academy
Let's figure out the magnifying power (magnification) of our telescope.
Khan Academy
Introduction to microscopes and their working principles, including brightfield, fluorescence, and electron microscopy.