Light Microscope, Biology Lecture | Sabaq.pk скачать в хорошем качестве

Light Microscope, Biology Lecture | Sabaq.pk

In this video, we’ll explore the Light Microscope, a widely used instrument in biological and material sciences for magnifying small specimens. The light microscope relies on light rays to illuminate and magnify samples, making fine details visible to the naked eye. Key Components of a Light Microscope: Eyepiece Lens: Positioned at the top of the body tube, the eyepiece lens is where you view the specimen. It typically has a magnification of 10x. Objective Lens: Positioned close to the specimen, the objective lens provides varying levels of magnification (e.g., 4x, 10x, 40x, or 100x) to enhance detail. Together with the eyepiece, the objective lens determines the overall magnification of the microscope. Light Source: A built-in or external light source shines light rays through the specimen, making it visible and enhancing contrast. Body Tube: This connects the eyepiece to the objective lenses and ensures proper alignment for accurate viewing. Microscopy Principles: Magnification: The light microscope can enlarge specimens to hundreds of times their original size, allowing for close examination of cellular structures and small organisms. Resolving Power: The microscope’s resolving power determines its ability to distinguish two close objects as separate. Higher resolving power enables clearer detail in closely spaced structures. Light microscopy is a fundamental technique in biology, allowing scientists to examine the structure of cells, tissues, and microorganisms by using magnifying lenses and light to illuminate fine details that would otherwise be invisible. 0:00 Light Microscope 1:32 Magnification 6:50 Eyepiece 9:15 Resolution of Light Microscope Subscribe to our YouTube channel to watch more Biology lectures. Practice tests and free video lectures for Physics, Chemistry, Biology, Math’s, Computer Science, English & more subjects are also available at Sabaq.pk. So, subscribe to Sabaq.pk/Sabaq Foundation now and get high marks in your exams. About Us: Sabaq.pk or Sabaq Foundation is a non-profit trust providing free online video lectures for students from classes K - 14 for all education boards of Pakistan including FBISE, Sindh Board, KP Board, Baluchistan Board as well as for Cambridge. We have a team of qualified teachers working their best to create easy to understand videos for students providing 14,000 + free lectures for subjects including Physics, Chemistry, Mathematics, Biology, English, General Science, Computer Science, General Math, Statistics and Accounting. Sabaq.pk also provides study material for MCAT and ECAT in the form of video lectures. GET CONNECTED WITH US: • Website: http://sabaq.pk/ • Facebook:   / sabaq.pk   • Twitter:   / sabaqpk   • Instagram:   / sabaq.pk   • YouTube:    / sabaqpk   • LinkedIn:   / sabaq-foundation   • Contact #: 051-2356303 (10:00 AM To 6:00 PM) CLASSES WE COVER AT SABAQ.PK / SABAQ FOUNDATION: 1. KG 2. Class 1 3. Class 2 4. Class 3 5. Class 4 6. Class 5 7. Class 6 8. Class 7 9. Class 8 10. Class 9 11. Class 10 12. Class 11 13. Class 12 14. Class 13 15. Class 14 16. MCAT 17. ECAT 18. CSS BOARDS WE COVER AT SABAQ.PK / SABAQ FOUNDATION: 1. FBISE 2. Sindh Board 3. KP Board 4. Balochistan Board 5. Cambridge STUDY MATERIAL WE OFFER AT SABAQ.PK / SABAQ FOUNDATION: 1. Physics Lectures 2. Chemistry Lectures 3. Mathematics Lectures 4. Biology Lectures 5. English Lectures 6. General Science Lectures 7. Computer Science Lectures 8. General Math Lectures 9. Accounting Lectures 10. Statistics Lectures 11. Advance Accounting Lectures 12. Cost Accounting Lectures 13. Practice Tests 14. Physics Practical 15. Chemistry Practical #Sabaqpk #sabaqfoundation #freevideolectures #sabaqfoundation #sabaq #sabaqpk #onlineeducation #onlinelearning #biology #biologylectures #LightMicroscope #MagnifyingLenses #EyePiece #ObjectiveLens #Magnification #ResolvingPower #Lens #Image #Microscopy #Microscope #BodyTube #LightRays #LightSource