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zalisa [80]
4 years ago
5

Diffraction is observable when the opening is ______ than the wavelength.

Physics
2 answers:
masya89 [10]4 years ago
5 0
Diffraction is observable when the is smaller than the wavelength 
harkovskaia [24]4 years ago
5 0

Answer:

The opening needs to be smaller

Explanation:

Diffraction can be observed when the light passes through a grid or an opening that has a width of about the same size or smaller than the wavelength of the light that is being used.

We need the opening to be smaller than the wavelength so the bean can be splitted and we are able to see diffraction.

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A ball is dropped from a tower that is 206 m high, How long does it take to reach the ground?
Slav-nsk [51]

It will take 6.42 s for the ball that is dropped from a height of 206 m to reach the ground.

From the question given above, the following data were obtained:

Height (H) = 206 m

<h3>Time (t) =? </h3>

NOTE: Acceleration due to gravity (g) = 10 m/s²

The time taken for the ball to get to the ground can be obtained as follow:

H = ½gt²

206 = ½ × 10 × t²

206 = 5 × t²

Divide both side by 5

t^{2}  = \frac{206}{5}\\\\ t^{2} = 41.2

Take the square root of both side

t = \sqrt{41.2}

<h3>t = 6.42 s</h3>

Therefore, it will take 6.42 s for the ball to get to the ground.

Learn more: brainly.com/question/24903556

7 0
3 years ago
Why don’t trade winds blow straight toward the equator<br> Apex
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Có thể một lực hướng tâm tạo ra công trên một vật hay không? Hãy giải thích
Verdich [7]

Answer:

Explanation:

Công là sản phẩm của một lực và độ dời theo phương của lực đó. Vì lực hướng tâm luôn tác dụng vuông góc với chuyển động nên Không thể xảy ra công việc nào.

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During the first 40 s a truck traveled at a constant speed of 15 m/s. Find the
kotykmax [81]

Answer:

600 m

Explanation:

Distance = speed × time

= (15)(40)

= <u>6</u><u>0</u><u>0</u><u> </u><u>m</u>

6 0
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