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alexgriva [62]
3 years ago
6

Select all that apply.

Physics
1 answer:
SpyIntel [72]3 years ago
5 0

Answer:

Determine how to separate gasoline from other substances in petroleum

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PtichkaEL [24]
From that list, only the frequency makes the difference.

Einstein won his only Nobel Prize for his explanation of this effect.
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An electron emitted in the beta decay of bismuth-210 has a mean kinetic energy of 390 keV. (a) Find the de Broglie wavelength of
Sauron [17]

Explanation:

Given that,

The mean kinetic energy of the emitted electron, E=390\ keV=390\times 10^3\ eV

(a) The relation between the kinetic energy and the De Broglie wavelength is given by :

\lambda=\dfrac{h}{\sqrt{2meE}}

\lambda=\dfrac{6.63\times 10^{-34}}{\sqrt{2\times 9.1\times 10^{-31}\times 1.6\times 10^{-19}\times 390\times 10^3}}

\lambda=1.96\times 10^{-12}\ m

(b) According to Bragg's law,

n\lambda=2d\ sin\theta

n = 1

For nickel, d=0.092\times 10^{-9}\ m

\theta=sin^{-1}(\dfrac{\lambda}{2d})

\theta=sin^{-1}(\dfrac{1.96\times 10^{-12}}{2\times 0.092\times 10^{-9}})

\theta=0.010^{\circ}

As the angle made is very small, so such an electron is not useful in a Davisson-Germer type scattering experiment.

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3 years ago
How does movement at tectonic plates affect humans?
Elena L [17]
The movement of tectonic plates can cause earthquakes. Some can be major and some can be minor. Both can affect non-earthquake proof buildings though
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When making a turn, do not have the steering wheel turned in the direction of the turn before beginning the turning maneuver.a)
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a) True.

Explanation:

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What happens if sulfur forms an ionic bond with another element
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