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Subject:ChemistryPrice:2.85 Bought3
1. How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?
(1) 4.99?10^23
(2) 7.99?10^30
(3) 5.67?10^23
(4) 1.25?10^31
(5) 3.75?10^23
the answer is number 1
Subject:ChemistryPrice:2.85 Bought3
1. How many photons are contained in a flash of green light (525 nm) that contains 189 kJ of energy?
(1) 4.99?10^23
(2) 7.99?10^30
(3) 5.67?10^23
(4) 1.25?10^31
(5) 3.75?10^23
the answer is number 1
