What are : lumen,lux,candlepower,,joules,foot candle?

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What are : lumen,lux,candlepower,,joules,foot candle?

any relation between them?
please do answer in simple words bcoz i am a 7th std student.

2007-01-16 01:58:13 · 1 answers · asked by kishan k 2 in Science & Mathematics ➔ Physics

1 answers

What is a 7th std student ??? You should find your answer here. Always check wikipedia for answers. It's a very good source.

http://en.wikipedia.org/wiki/Lumen_%28unit%29

2007-01-16 02:04:02 · answer #1 · answered by Gene 7 · 0⤊ 0⤋