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4 years ago

According to Huygens's principle, what is the explanation for boundary behaviors?

Physics

2 answers:

xeze [42]4 years ago

8 0

Answer:

The Huygens–Fresnel principle says that every point in the wavefront is also a source of spherical "wavelets", and these wavelets interfere with each other, and the sum of these spherical wavelets are the new wavefront (this also happens when the wave hits a interface, and mostly in these cases is usefull this principle). So, for example, when a plane wave hits a surface, in that moment the wave can "change" a spherical wave now (you can see this when a plane wave impacts a single slit). This also explains why a beam changes of direction when it hits a surface and is diffracted.

VladimirAG [237]4 years ago

4 0

The Huygens<span>-Fresnel </span>principle<span> states that every point on a wavefront is a source of wavelets. These wavelets spread out in the forward direction, at the same speed as the source wave. The new wavefront is a line tangent to all of the wavelets. </span>

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What mistake did Kamala make? Gamma rays should have a very high frequency, not a very low frequency. Visible light should have

olasank [31]

Answer:

The answer is "Option A".

Explanation:

Please find the complete question in the attached file.

Kamala uses Gamma radiation inside this question should be very high, not very low. Electromagnetic radiation is a penetrating type resulting from radioactive nuclear decline. Its radiation is a very high-frequency, radioactive waveform to frequencies greater than $10^{19} \ Hz$ usually emitted from the radioactive decline.

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3 years ago

What would be the resulting charge of carbon (C) after this element loses four electrons?

Sladkaya [172]

Answer:

Carbon will become positively charged.

The charge of Carbon will be +4.

Explanation:

The charge of Carbon will be +4.

In the periodic table, elements that give out or lose electrons during electrochemical combinations are called electropositive elements. If carbon loses electrons during the chemical combination, Carbon will become positively charged, with a valency equal to the number of electrons that it lost.

This will make carbon have a charge of +4

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3 years ago

A seated cable row is an example of which level of training in the NASM OPT model?

Vera_Pavlovna [14]

Answer:

B. Strength

Explanation:

The OPT Model, or Optimum Performance Training Model, is a "fitness training system created by the NASM. The OPT Model is contructed with scientific evidence and principles that progresses an individual through five training phases: stabilization endurance, strength endurance, hypertrophy, maximal strength and power".

On the stabilization level we have the phase 1 called stabilization endurance.

For the level strength part we have 3 phases . Phase 2: Strength endurance , Phase 3: Hypertrophy, Phase 4: Maximal strength. And we can consider the case "A seated cable row" on this the level strength since we need to have some abilities to do this but not enough to stay on the power level since this one is the advancd level.

For the power level we have the last phase called power in order to mantain and conduct high training level programs.

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4 years ago

How does the rocket engine work?

Semenov [28]

Answer:

The vacuum of space

Heat management problems

The difficulty of re-entry

Orbital mechanics

Micrometeorites and space debris

Cosmic and solar radiation

The logistics of having restroom facilities in a weightless

Explanation:

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4 years ago

Sound waves can be modeled by the equation of the form y=20sin(3t+theta). Determine what type of interference results when sound

Mariulka [41]

Answer:

go to the link quizzlet it will give you tha answer

Explanation:

4 0

3 years ago