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3 years ago

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?

ki77a [65]

Density=mass/volume
to find the density
mass=42kg
volume=22m3
so density=42/22
density=1.9Kgm3

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4 years ago

Name one thing that causes domains of a magnets atoms to lose alignment

kogti [31]

Heat cause domains of magnets atoms to lose alignment

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3 years ago

Read 2 more answers

An object is at rest. There are several forces acting on the object, but the net force is zero. If all the

pantera1 [17]

It would not. Imagine four forces equal in magnitude but opposite in direction (e.g. north, east, south, and west). If these forces were to double in magnitude they would still have the same magnitude, meaning the net force is still equal to zero.

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2 years ago

I am giving brainly to however answers first

Maru [420]

Answer:

The doorbell transforms electrical energy into sound.

Explanation:

The doorbell MAY turn electrical energy into motion of a striker which then impacts a resonator creating sound. However all door bells do not have solenoids. Some are electronic playing recordings when activated.

All doorbells do produce sound, though.

8 0

3 years ago

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

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