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Nat2105 [25]
3 years ago
14

The formation of interference patterns by electrons is best explained using which concept?

Physics
2 answers:
lana66690 [7]3 years ago
7 0
The correct option is D.
Interference pattern refers to a series of alternating dark and bright bands of lights, which are produced as the result of light interference. The interference pattern has to do with light waves and it has characteristic nodal and anti-nodal lines, thus its concept can be best explained using the concept of matter as a wave.
Blizzard [7]3 years ago
6 0

Answer:

D. Matter as a wave

Explanation:

electron is taken as particle because it is considered with small mass and charge. While electron in motion it also exhibit many properties similar to particles.

Like we can write the momentum associated with an electron given by

P = mv

so in that all explanation if we have to find the interference due to electrons then we can say by De Broglie hypothesis that wavelength associated with moving electrons is given as

\lambda = \frac{h}{mv}

now as per this theory electron also shows the property of interference and diffraction.

so here we will have correct answer as

D. Matter as a wave

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1040/26=40

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A fisherman notices that his boat is moving up and down periodically, owing to waves on the surface of the water. It takes 2.5 s
gulaghasi [49]

(a) 0.96 m/s

The period of the wave corresponds to the time taken for one complete oscillation of the boat, from the highest point to the highest point again. Since the time between the highest point and the lowest point is 2.5 s, the period is twice this time:

T=2\cdot 2.5 s=5.0 s

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(b) 0.265 m

The total distance between the highest point of the wave and its lowest point is

d = 0.53 m

The amplitude is just the maximum displacement of the wave from the equilibrium position, so it is equal to half of this distance. So, the amplitude is

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(c) Amplitude: 0.15 m, wave speed: same as before

In this case, the amplitude of the wave would be lower. In fact,

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So the amplitude would be

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8 0
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