Lumen Led

Lumen Led
Why does light from tube light looks different than light of LED source?

If we look in the room lighted by a tube light we feel that it is brighter that lighted with the help of LEDs.Even though the lumen is same (measured on the instrument) there is a difference in the look. Why it is so?
Not at source. When you look in room we find that light from tube light glows the things more than that by LED light. Why it is so?

This is because a tube light is an extended source while LED is a point source. Always to our eyes point source looks more brighter than extended one.

Review: Icon Rogue 100-Lumen LED Flashlight

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