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BARSIC [14]
3 years ago
5

Please help with both questions I’m giving all my points :) it’s 23 and 24

Physics
1 answer:
labwork [276]3 years ago
8 0
Sorry just need points
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A certain shade of blue has a frequency of 7.24 × 1014 Hz. What is the energy of exactly one photon of this light?
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E = hf

E = 6.63* 10 ⁻³⁴ * 7.24* 10¹⁴

<span>E = 4.80012 × 10⁻¹⁹ J</span>
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The drastic increase in the emission of CO2 (carbon dioxide) within the last 30 yearscaused<span> by burning fossil fuels has been identified as the major </span>reason<span> for the change of temperature in the atmosphere (click the following link for a summary and graphs about the </span>cause<span> and effects of </span>global warming).

 

The correct answer between all the choices given is the last choice or letter D. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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Which is not an element? Water , Arsenic, sodium, Aluminum
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Newton's three forces, normal, tension and friction, are present in a surprising number of physical situations

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Newton’s laws can explain the forces that occur between objects every day


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