Lens Formula, Magnification & Power of Lens Class 10 Science: Light Reflection and Refraction Topics

24.3: Lenses

⚡ 𝗪𝗵𝗶𝗰𝗵 𝗟𝗶𝗴𝗵𝘁 𝗜𝘀 𝗕𝗲𝘁𝘁𝗲𝗿? ⚡ --- Short Demo Video --- When you're looking for a new headlamp or flashlight, it can be very easy to get caught up in using lumens as the key measure of quality. But lumens don't tell you the full story... 𝗟𝘂𝗺𝗲𝗻𝘀 - tell you how much light is emitted from the LED. 𝗟𝘂𝘅 - tells you how much light actually reaches the point you're trying to focus on. 𝗦𝗼 𝗹𝘂𝘅 𝗶𝘀 𝗮 𝗺𝘂𝗰𝗵 𝗺𝗼𝗿𝗲 𝘂𝘀𝗲𝗳𝘂𝗹 𝗺𝗲𝗮𝘀𝘂𝗿𝗲 𝗼𝗳 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲. I

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