Olexes sound flash cards

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0
Q

Basilar Membrane

A

a membrane in the cochlea that is in the organ of Corti.

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1
Q

Sonar

A

a system for the detection of objects under water and for measuring the water’s depth by emitting sound pulses and detecting or measuring their return after being reflected.

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2
Q

Photon

A

a tiny particle of light or electromagnetic radiation

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3
Q

Intensity

A

intensity is the power transferred per unit area, where the area is an imagined surface that is perpendicular to the direction of the energy.

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4
Q

Radar

A

an electronic system used to detect,range and velocity

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5
Q

Light Ray

A

An imaginary line that follows behind in the direction that light travels.

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6
Q

Virtual image

A

Not the real image you see. It is an apparent path of light rays.

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7
Q

Real image

A

Opposite of virtual image rays are gathered into a single point or small area.

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8
Q

Diffuse reflection

A

Where random light is reflected off into many random directions, such as a disco ball.

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9
Q

Geometrical optics

A

Where light starts to perform like a ray.

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10
Q

Angle of reflection

A

The way the ought reflects off a smooth surface

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11
Q

Angle of incidence

A

The way a light Ray strikes a surface

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12
Q

Law of reflection

A

That the laws of reflection and incidence are the same angles

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13
Q

Normal

A

Where light hits an object

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14
Q

Convex mirror

A

Mirrors that cave outwards

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15
Q

Concave mirrors

A

Mirrors that cave in

16
Q

Total internal reflection

A

complete reflection of a ray of light within a medium such as water surrounding the back into the medium.

17
Q

Lens

A

Focuses all light into one hole.

18
Q

Magnification

A

Duplicating wavelengths to make objects appear larger.

19
Q

Prism

A

Used to disperse light

20
Q

Dispersion

A

Where light is not appeared the way it really is

21
Q

What is a sound wave

A

Sound waves are when an object is vibrating free air around it making noise

22
Q

What is pitch

A

The pitch is affected by what the size of a vibrating object is the larger it is the lower the pitch the smaller it is the higher the pitch

23
Q

What is infrasound

A

You can hear all infrasound

24
Q

Ultrasound

A

Ultrasound is all sounds you cannot hear

25
Q

What is resonance

A

When two vibrations are at the same natural vibration level they will recharge a resonance

26
Q

What is intensity

A

Used to measure light

27
Q

Decibel

A

The intensity of a sound

28
Q

Fundamental frequency

A

The primary standing wave on a vibrating string

29
Q

Mirage

A

Hen you believe to see an object but it’s not really there.

30
Q

Angle of incidence

A

The way light Ray strikes a surface

31
Q

Basilar membrane

A

.

32
Q

Electromagnetic spectrum

A

The different kinds of waves that exist like radio waves light waves sound waves.

33
Q

What is normal

A

Where the light hits an object