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olganol [36]
3 years ago
8

What do illusions indicate about the relationship between our eyes and brains​

Physics
1 answer:
bezimeni [28]3 years ago
8 0

Answer:

Illusions indicate that the brain does not totally rely on the eye to make visual perceptions of reality. It sometimes generates perceptions of reality based on assumptions of how it should be.

Explanation:

Our brains and eyes together with the optical nerves linking them together, form part of the complex visual system of the body.

An illusion occurs when there is a mismatch between the perceived reality by the brain and the actual reality of what exists. Whenever this happens, it shows that some of the time, the brain does not always rely on a complete optical signal/information from the eye in order to make a perception. The brain at times tends to "complete the image" using the little information available alongside personal experiences and this often leads to misperception.

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A 40-cm-long tube has a 40-cm-long insert that can be pulled in and out. A vibrating tuning fork is held next to the tube. As th
Umnica [9.8K]

Answer:

The frequency of the tuning is 1.065 kHz

Explanation:

Given that,

Length of tube = 40 cm

We need to calculate the difference between each of the lengths

Using formula for length

\Delta L=L_{2}-L_{1}

\Delta L=74.7-58.6

\Delta L=16.1\ m

For an open-open tube,

We need to calculate the fundamental wavelength

Using formula of wavelength

\lambda=2\Delta L

Put the value into the formula

\lambda=2\times16.1

\lambda=32.2\ cm

We need to calculate the frequency of the tuning

Using formula of frequency

f=\dfrac{v}{\lambda}

Put the value into the formula

f=\dfrac{343}{32.2\times10^{-2}}

f=1065.2\ Hz

f=1.065\ kHz

Hence, The frequency of the tuning is 1.065 kHz

3 0
3 years ago
You may make the following measurements of an object 42kg and 22m3. What would the objects density be?
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Density=mass/volume
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4 years ago
Name one thing that causes domains of a magnets atoms to lose alignment
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2 years ago
I am giving brainly to however answers first
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Answer:

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All doorbells do produce sound, though.

8 0
3 years ago
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