The human eye quiz

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The blank describes light traveling as a wave

Wave model of light

White light is made up of waves having different

Wavelengths And frequencies

A blank refracts light into different colors

Prism

What is the function of the vitreous humour?

A gel like substance responsible for keeping the retina in place.

Sir Isaac Newton demonstrated that blank is a property of visible light

Colour

What is the function of the Iris?

A ring of muscle second shows the size of the pupil.

What is the function of the pupil?

A small hole that functions to control the amount of light that enters the eye.

What is the function of the choroid?

A thin black membrane the choroid forms the second layer of the eyeball.

Blackshirt appears black because all the colors are

Absorbed

The region of the eye where the optic nerve enters the eye has no receptors . The region is known as your

Blind spot

Which has a higher frequency yellow light or blue light

Blue

What is the ray model of light

Can because to understand how light moves in straight lines reflects mirrors and refracts through lenses

From near objects the muscles surrounding the lens ....

Contract Causing less tension on the lens which causes the lens to become thicker

Light travels from the surface of an object and passes through the transparent tissue you at the front of the eye called the

Cornea

The cornea been the light by refracting incoming light and causes the light rays to converge most of the focusing on the light is done by the

Cornea

Explain why all colors affect at different angles

Each color has a different wavelength therefore making them refract at different angles

The light rays converted to a single point known as the

Focal point

What is the function of the lens?

Focuses light onto the retina

The number of cycles per second is the

Frequency

Describe what Newton discovered the white light and the different colors of the spectrum

He discovered that white light is the result of all the colors mixed together in that different colors are present in already and white light

Frequency is measured in

Hertz (Hz)

Explain how you can cause light separated by a prism two combined

If two more prisons were added it would recombined the colors producing light again

What is the benefit of discrbing light as a ray

In the rain model light is simply represented as a straight line or rate that shows the direction of light waves traveling

Light rays always travel in straight lines. Sauce light rays from the very bottom of not object to focus at the top section of the retina light rays from the very top of an object will become together at the bottom of the retina. This image will cause it to be

Inverted

What part of your eye moves when you cover it with your hand?

Iris

Energy is

Is the capacity to apply a force over a distance

What is the function of the cornea?

It Works as a lens and functions to protect the eye.

Why does a violet dress appear to be violet in the sunlight

It's absorbing every color but it's reflecting Violet

What is the benefit describing light as a Wave

Light has properties that are best describes all using ways such as the use of wavelength and frequency to account for the different colors of light

Which color in the visible spectrum has the shortest wavelength

Purple

How can refraction be used to explain the formation of mirages

Like bend as it travels through different densities of air there fraction of light through Air can result in a mirage

What is the function of the retina

Made of light sensitive cells in the retina is responsible for receiving light.

You can remember the order of the seven colors of the rainbow by using the abbreviation

ROY G BIV

How are rainbows formedEd?

Rainbows happen when the beams of sunlight separate into the colors we see in the rainbows by entering a raindrop

What color is in the visible spectrum has the longest wavelength

Red

List three colors I can combine to produce all colors of the rainbow

Red blue and green

A fire engine appears to be read because the color red is

Reflected

The bending are changing direction of a wave as it passes from one material to another is called

Refraction

For distant objects the muscles surrounding the lens

Relax Causing increased tension on the lens which causes the lens to become thinner

What is the function of the suspensory ligament?

Responsible for connecting the lens to the ciliary body.

What is the function of the optic nerve?

Responsible for transmitting information from the retina to the brain.

Explain why images form on some surfaces and not on others

Smooth surfaces reflect all light uniformly rough surfaces appear to reflect light randomly

The seven color categories of visible light on together known as the visible

Spectrum

How does your faction produce the visible spectrum

The bends or changes the direction of the wave as it passes through one material to another

What is the difference between reflection and Refraction

The difference between reflection and refraction is that in reflection waves bounce off another surface well in refractions those waves do not bounce back but pass through the surface which bends them and changes the speed of the wave

When white light is refracted through a prism different colors emerge where do the different colors come from

The different colors come from the white light after you hit it has been refracted for example when the white light gets refracted and then reflect back it separate from each other because the white light is all the colors mixed together

Wavelength is

The distance over which the wave repeats

Amplitude is

The height of a wave crest or depth of the wave trough as measured from its rest is position.

Crest is

The highest point of a wave

What happens when light strikes different objects

The light might be absorbed reflected and transmitted

Trough is

The lowest point of a wave

What is the function of the cillary body muscle?

The muscles connected to the lens by the suspensory ligament that controls the shape of the lens.

What is the function of blind spot?

The point where the optic nerve connect to the retina

What is the function of the aqueous humour?

The thin watery fluid that fills the space between the cornea and Iris

What is the wave model of light

The wave model of light of like pictures light traveling as a way

What is the function of the sclera?

This is the white coating on the outside of the eyeball commonly known as the white of the eye.

Blank light is light that you can see

Visible

When does light refract or bend

When it goes through a material to another

Density plays a role in the refraction of light explain how the density of matter causes like to be refracted

When light Rays move from air into glass they slow down and change direction because the glass is denser than air where they can travel faster they will change direction again

Describe the role of reflection introducing the colors we see

When sunlight strikes colored clothing some colors are reflected well others are absorbed only reflected reflected colors can be seen

When pass-through a second prism the blank light is combined to form WhiteLight once again

White

Why is the image inverted?

Your brain will into print the signal some perceive the image us up right


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