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4 years ago

12

In the United States, as of 2009, which of the following was the largest and fastest-growing immigrant group? A. Eastern Europea

ns and Russians B. Hispanics C. Asians D. Western Europeans

2 answers:

tamaranim1 [39]4 years ago

8 0

I think it is B. Hispanics

VikaD [51]4 years ago

5 0

The correct answer is C. Hispanics

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What is the difference between weather and climate? Use specific examples of each to support your explanation

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Weather is the atmospheric condition for a day ie the weather for today is rainy while climate is the average daily atmospheric condition of a place which is usually over a very long period of time. ie the climate of a country is wet

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3 years ago

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melamori03 [73]

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3 years ago

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Alisiya [41]

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3 years ago

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3 years ago

If all the energy from a 103 W light bulb is emitted at 590.0 nm, what is the energy of each photon in Joule? Planck’s constant

sergejj [24]

Answer:

Energy of each photon is given by $0.0335\times 10^{-17}j$

Explanation:

We have given wavelength of light $\lambda =590nm=590\times 10^{-9}m$

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Plank's constant $h=6.6\times 10^{-34}j-s$

We know that energy of photon is given by $E=h\nu =\frac{hc}{\lambda }$

So energy is given by

$E=h\nu =\frac{hc}{\lambda }=\frac{6.6\times 10^{-34}\times 3\times 10^8}{590\times 10^{-9}}=0.0335\times 10^{-17}j$

8 0

3 years ago