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Physical Science Notecards > Alyssa > Flashcards

Alyssa Flashcards

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0
Q

Pitch

A

Is related to the frequency of sound waves . A high pitch is made from something being being vibrated fast.

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1
Q

What is a sound wave ?

A

The particles in the air vibrate in the direction the wave goes .

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2
Q

Infrasound

A

Is a sound that is below the range of human hearing .

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3
Q

Ultrasound

A

Any sound above human hearing range

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4
Q

Resonance

A

Is when a object vibrates so much that it causes the object to vibrate as well.

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5
Q

Intensity

A

Describes the rate at which a sound wave transmits energy through a given area of the medium .

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6
Q

Decibel

A

Is a unit rate of which sound is measured by.

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7
Q

Fundamental frequency

A

When a frequency of a wave is also the frequency of the vibrations .

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8
Q

Harmonics

A

When something vibrates at its fundamental frequency and at certain whole number multiples of that frequency .

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9
Q

Sonar

A

Determines distance by measuring the time it takes for sound waves to be reflected back to the source .

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10
Q

Basilar membrane

A

Long flexible membrane that is in the cochlea

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11
Q

Photon

A

A unit or quantum of light .

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12
Q

Intensity

A

Measures the amount of light illuminating or measures how intense the light is .

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13
Q

Radar

A

A system that uses reflected radio waves to determine velocity and location of objects .

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14
Q

Electromagnetic spectrum

A

Consist of light at all possible energies frequencies and wavelengths

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15
Q

Light Ray

A

A light Ray is a imaginary line that goes in the same direction that the light travels .

16
Q

What is a virtual image

A

Is a image that you see from a apparent path of light rays .

17
Q

What is a real image ?

A

A real image is a result from when light rays are focused into one specific point .

18
Q

Diffused reflection

A

Is the reflection of light when the incident ray is reflected .

19
Q

What is a lens ?

A

Are transparent material that refracts light waves to make them converge or diverge to create a image .

20
Q

What is magnification ?

A

It is a change in size compared to the object .

21
Q

What is a prism ?

A

They separate white light from different colors .

22
Q

What is dispersion

A

Is what separates colors from other colors in light waves .

23
Q

What is mirage ?

A

Is when you look at a road on a hot day and see water on the road that is reflected from the atmosphere to the road .

24
Q

What is a converging lens?

A

A converging lens bends light inward .

25
Q

What is focal point ?

A

Is when light rays are pointed in one small area .

26
Q

What is geometrical optics ?

A

It behaves like a ray would .

27
Q

What is angle of reflection?

A

Light rays that deflect off of an object

28
Q

Angle of incidence ?

A

Are light rays striking an object

29
Q

What is law of reflection ?

A

Angle of reflection and the angle of incidence .

30
Q

What is normal ?

A

Normal is a line in the middle of a perpendicular object .

31
Q

What is a convex mirror

A

A convex mirror are mirrors that make the image bulge out .

32
Q

What is a concave mirror ?

A

A concave mirror is a mirror that makes the image appear to be indented .

33
Q

What is internal reflection?

A

Internal reflection is when the angle of incidence is striking somethings boundary .

Physical Science Notecards (8 decks)

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