https://www.khanacademy.org/science/biology/structure-of-a-cell/introduction-to-cells/a/microscopy 2021-04-29T08:02:10Z Microscopy Introduction to microscopes and how they work. Covers brightfield microscopy, fluorescence microscopy, and electron microscopy. article https://www.khanacademy.org/science/hs-bio/x230b3ff252126bb6:from-cells-to-organisms/x230b3ff252126bb6:the-cellular-basis-of-life/a/cell-biology-and-microscopy 2026-04-27T08:40:32.356784737Z Learn: Cell biology and microscopy Learn about cell biology and the different types of microscopes that allow us to observe cell structure and function. article https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-ray-optics-and-optical-instruments/in-in-optic-instruments-telescopes-and-microscopes/v/simple-microscope 2020-06-23T07:22:42Z Simple microscope Let's explore how a magnifying glass (simple microscope) really works. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/onG1WwsLQl8RtTNtICwZKTvxM6tX3lMVAJRMudlklt8TVAavAMQrZcQQJyREPKTYU_Qi56X4zyFa_nMDdMKn2tI Simple microscope Let's explore how a magnifying glass (simple microscope) really works. https://cdn.kastatic.org/ka-youtube-converted/wJpg7oMgkVc.mp4/wJpg7oMgkVc.mp4 850 Use of microscopes https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-ray-optics-and-optical-instruments/in-in-optic-instruments-telescopes-and-microscopes/v/simple-microscope-max-min-power 2022-07-06T13:42:30.246436846Z Simple microscope - max & min power Let's explore our magnifying glass a little more and see what's the min. and maximum magnification it can give. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Simple microscope - max & min power Let's explore our magnifying glass a little more and see what's the min. and maximum magnification it can give. https://cdn.kastatic.org/ka-youtube-converted/IEci7UsAhW8.mp4/IEci7UsAhW8.mp4 901 Use of microscopes https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-ray-optics-and-optical-instruments/in-in-optic-instruments-telescopes-and-microscopes/e/simple-microscope-qualitative 2022-08-01T12:23:56.889255316Z Simple Microscope - qualitative Let's solve some problems to better understand how a simple microscope works. Aakash exercise https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-ray-optics-and-optical-instruments/in-in-optic-instruments-telescopes-and-microscopes/v/compound-microscope 2020-06-23T07:22:42Z Compound microscope Let's explore the principle of a compound microscope and then logically build one, step by step. Mahesh Shenoy video https://cdn.kastatic.org/googleusercontent/EdAX8B1E6ym3l9M93uRop70XzWCRsgCFXGMPUDzKV7KniIwgEh2r3hKXmr_nyvZpQJYdx4lzv0a3um171hD0fGI Compound microscope Let's explore the principle of a compound microscope and then logically build one, step by step. https://cdn.kastatic.org/ka-youtube-converted/IeqD7aPKpGo.mp4/IeqD7aPKpGo.mp4 605 Use of microscopes https://www.khanacademy.org/science/up-class-12-physics/x0958a876c1afdc76:ray-optics-and-optical-instruments/x0958a876c1afdc76:optical-instruments/v/worked-example-compound-microscope 2024-03-04T12:13:43.835501793Z Worked example: Compound Microscope Let's solve a question on Compound microscope! Vibhor Pandey video https://cdn.kastatic.org/googleusercontent/ZCdwTudJg6e6n-P2gsaUborP4izvMsGo71pvEVlX9dNYWcLXcP7VHkWpn2grt4TUP1KoJLQP9NswyHBuBLSFTBw Worked example: Compound Microscope Let's solve a question on Compound microscope! https://cdn.kastatic.org/ka-youtube-converted/pyCYpOkjVDM.mp4/pyCYpOkjVDM.mp4 209 Use of microscopes https://www.khanacademy.org/science/in-in-class-12th-physics-india/in-in-ray-optics-and-optical-instruments/in-in-optic-instruments-telescopes-and-microscopes/e/compound-microscope 2026-05-12T22:10:47.015864082Z Compound Microscope Let's solve some problems using the various features of compound microscopes. Aakash exercise