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James Dewars Science Brainscape > Sound And Light > Flashcards

Sound And Light Flashcards

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Biology 101 flashcards
1
Q

Plane mirror

A

A plane mirror is a mirror that reflects something perfectly

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2
Q

Cornea

A

the transparent layer forming the front of the eye.

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3
Q

Refraction

A

Refraction is the bending of light waves when it slows down when passing through a different medium

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4
Q

Speed of sound

A

When an object is travelling faster than the speed of sound

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5
Q

Specular reflection

A

When something is reflected from a smooth surface

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6
Q

Lens

A

It is in your eye it focuses light and allows you to see

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7
Q

Pitch

A

How high or low a sound is

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8
Q

Audible range

A

How high or low a human can hear

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9
Q

Diffuse scattering

A

When light reflects of a rough surface and goes in all directions

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10
Q

Retina

A

The image is formed in the back of your eye on your retina

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11
Q

Amplitude

A

How loud a sound wave is

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12
Q

Vacuum

A

A vacuum is an area where there is no medium for the light to travel through.

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13
Q

Law of reflection

A

The angle of incidence and the angle of reflection are equal

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14
Q

Convex lens

A

The lens in each of your eyes is a convex or a converging lens

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15
Q

Frequency

A

How high or low pitched something is

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16
Q

Ultrasound

A

Ultrasound is sound with a frequency above 20,000 hz humans cannot hear ultrasound

17
Q

Incident ray

A

The direct ray of light that has not been reflected

18
Q

Wave length

A

How long one light or sound wave is

19
Q

Echo

A

When sound is reflected of an object

20
Q

Reflected ray

A

A light ray that has been reflected

21
Q

Transverse waves

A

A light wave is a transverse wave

22
Q

Refraction

A

As the light leaves the water the direction it is travelling in changes this is called refraction.

23
Q

Longitudinal waves

A

Sound waves are longitudinal waves

24
Q

Medium

A

A medium is a state of matter that sound can travel through

25
Q

Peak/crest/trough

A

The top or bottom of a wave

26
Q

Speed of light

A

How fast light travels through a medium

James Dewars Science Brainscape (9 decks)

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