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kap26 [50]
3 years ago
10

PLEASE HELP ME WITH THIS ONE QUESTION

Physics
1 answer:
Natali [406]3 years ago
8 0

Answer:

^{214} _{83} Bi  → ^{210}_{81}Tl + ^4_2He

Explanation:

^{214} _{83} Bi  → x + ^4_2He

Subtract the ^4_2He from the ^{214} _{83} Bi

214 - 4 = 210

83 -2 = 81

Therefore, x<em> </em>= ^{210}_{81}Tl

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6 0
3 years ago
Monochromatic light from a distant source is incident on a slit 0.750 mm wide. On a screen 2.00 m away, the distance from the ce
jasenka [17]

Answer:

\lambda= 506.25 nm

Explanation:

Diffraction is observed when a wave is distorted by an obstacle whose dimensions are comparable to the wavelength. The simplest case corresponds to the Fraunhofer diffraction, in which the obstacle is a long, narrow slit, so we can ignore the effects of extremes.

This is a simple case, in which we can use the Fraunhofer single slit diffraction equation:

y=\frac{m \lambda D}{a}

Where:

y=Displacement\hspace{3}from\hspace{3} the\hspace{3} centerline \hspace{3}for \hspace{3}minimum\hspace{3} intensity =1.35mm\\\lambda=Light\hspace{3} wavelength \\D=Distance\hspace{3}between\hspace{3}the\hspace{3}screen\hspace{3}and\hspace{3}the\hspace{3}slit=2m\\a=width\hspace{3}of\hspace{3}the\hspace{3}slit=0.750mm\\m=Order\hspace{3}number=1

Solving for λ:

\lambda=\frac{y*a}{mD}

Replacing the data provided by the problem:

\lambda=\frac{(1.35\times 10^{-3})*(0.750\times 10^{-3})}{1*2} =5.0625\times 10^{-7}m =506.25nm

7 0
3 years ago
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Stolb23 [73]

Answer:

A(many people think that no energy or matter exists outside the universe)

Explanation:

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What would scientists using classical, Newtonian physics expect to observe
Sav [38]

Answer:

A. That enough light of any frequency would cause electrons to flow.

Explanation:

A P E X

5 0
3 years ago
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1.
Harlamova29_29 [7]
1.renewable energy
2.renewable energy
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5.Driving an SUV
6.stored energy
7.Always from one side to another
8.use our energy resources wisely
9.conservation of energy
10.by either moving liquids or moving air currrents
11.potential energy
12.radiation
13.insulators
14.radiation
15.Evaporation
16.Thermal energy moves to an object with less heat.
17.Burning your finger on a hot match
18.potential energy
19.Energy is never being created or destroyed.
20.touching each other
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