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Physics > End of unit- waves > Flashcards

End of unit- waves Flashcards

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0
Q

How does light travel

A

In a straight line

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1
Q

Which travels faster light or sound

A

Light

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2
Q

Opaque

A

Light can’t travel through

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3
Q

Transparent

A

Light can easily pass through

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4
Q

Translucent

A

some light can pass through

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5
Q

Absorb

A

When something takes something inside

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6
Q

Transmit

A

When you allow something to pass through

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7
Q

Reflect

A

When light bounces of another object

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8
Q

Luminous

A

When something gives off its own light

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9
Q

Non luminous

A

When something doesn’t give off its own light

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10
Q

What is the incident Ray?

A

The light shining in the object

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11
Q

What is the refracted Ray

A

The Ray that has refracted out of the object in a different direction

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12
Q

When a light Ray travels from one medium to another more dense medium it bends…

A

Away from the normal

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13
Q

When a light Ray travels from one medium to a less dense medium it bends..

A

Towards the normal

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14
Q

Which two colours make yellow

A

Red and green

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15
Q

Which two colour make magenta

A

Blue and red

16
Q

Which two colours make cyan

A

Green and blue

17
Q

Which colour has the longest wavelength

A

Red

18
Q

Which colour has the shortest wavelength

A

Violet

19
Q

What does light spread out in?

A

Waves

20
Q

How do objects produce sound

A

By vibration

21
Q

What is frequency

A

Pitch

22
Q

What is the amplitude

A

Loudness

23
Q

What is the frequency?

A

The distance between each wavelength

24
Q

What is the aplitude

A

The height of each wave

25
Q

The higher the frequency

A

The shorter the wavelength

26
Q

Can sound travel through a vacuum and why

A

Because sound needs a material medium like air

27
Q

Why does sound travel faster through solids

A

Because the particles are closer together than a liquid or gas meaning that the vibrations can be passed more easily

28
Q

What are the three bones in the art called

A

Hammer anvil and stirrup

Physics (20 decks)

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