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Julli [10]
3 years ago
14

What is the energy in joules of a single photon of light with a wavelength of 1 m

Chemistry
1 answer:
Oksanka [162]3 years ago
7 0

Answer:

Explanation:E=hc¯ν=hcλ [Where h = Planck's constant, c = velocity of electromagnetic radiation(light) and lambda = wavelength.] So, just substitute every needed value. =1.29077⋅10−18 Joules

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a man bought two watches for Rs 2500 each.He sold one of them at 10% . profit and the other at 4% loss.what was his gain or loss
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Answer:

Selling price of watch A and watch B= Rs. 425

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858.5858−850

×100=1%

Explanation:

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