Subject: how do they measure the lumens of a light bulb?
Date: Tue Nov 14 21:32:41 2000
Posted by Dan
Grade level: 4-6
School: Independent Day School
City: Middlefield State/Province: CT
Country: US
Area of science: Engineering
ID: 974255561.Eg
Message:
I am doing a science project involving product testing of light bulbs. I
notice the 60 watt bulbs I bought have different ratings for "lumens"
which I understand is a measure of light intensity. How do the
manufacturer's actually measure this?
Re: how do they measure the lumens of a light bulb?
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