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Naddika [18.5K]
3 years ago
14

What can you conclude about x-rays compared to microwaves?

Physics
2 answers:
Alinara [238K]3 years ago
6 0
It is D. X rays have a shorter wavelength than microwaves.
timofeeve [1]3 years ago
3 0

The its d big facts tyga tyga test test

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The doctor writes a prescription for na heparin 20,000 units in 500 ml n.s. infuse over 8 hours. what is the flow rate in ml/hr?
Ne4ueva [31]
I think this type of equation could be conducted in simple division equation since it does not involve drop rate.

we know that there is 500 ml of substance and should be infused within 8 hours period.

So the flow rate in ml/hr would be: 

500/8 = 62.5 ml/hr                                                                                    
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3 years ago
Jack has two boxes: one is 148g and one is 78g. if jack pushes both boxes with the same amount of force which will accelerate fa
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1) A The 78g
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3 years ago
Calculate the Fermi energy and the conductivity at room temperature for germanium containing 5×10^16 arsenic atoms per cubic cen
Cloud [144]

Answer:

The Fermi energy is 0.568 eV and the conductivity at room temperature is 31.24 (Ωcm)⁻¹

Explanation:

Data given:

Nd = doping concentration = 5x10⁶/cm³

According the mass action law, the hole concentration is:

P_{0} =\frac{n_{i}^{2}  }{n_{0} } ,n_{i}=2x10^{13} /cm^{3}

E_{f} =E_{i} +KTln(\frac{n_{D} }{n_{i} } ),K=8.61x10^{-19} ,KT=0.026eV

E_{i} =\frac{E_{0} }{2} =\frac{0.63}{2} =0.315eV\\E_{f}=0.315+0.203=0.568eV

The conductivity of n-type of semi-conductor is equal to:

The mobility of Germanium is 3900 cm²/Vs

σ = 1.6x10⁻¹⁹ * 5x10¹⁶ * 3900 = 31.24 (Ωcm)⁻¹

6 0
3 years ago
On a hot day, Dave is relaxing by the pool. He touches the concrete next to the pool and then touches the surface of the water.
Alenkasestr [34]

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the concrete because the concrete absorbs the suns energy, making it hot

Explanation:

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Answer:

In which school you are???

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