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biology ᖭི༏ᖫྀ > Features Of Waves > Flashcards

Features Of Waves Flashcards

1
Q

What is the crest of a wave

A

The top of the wave

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2
Q

What is the trough of a wave

A

The bottom of the wave

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3
Q

What is the wavelength

A

The distance between two of the same points on the wave

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4
Q

What is wavelength measured in

A

Metres (m)

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5
Q

What is the amplitude of a wave

A

How high the wave is above the resting point.

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6
Q

What is the frequency of a wave

A

The number of waves in 1 second.

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7
Q

What are the units for frequency of a wave

A

Hertz (Hz)

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8
Q

What are the two types of wave

A

Longitudinal and transverse waves

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9
Q

What are transverse waves

A

The oscillations are at right angles to the direction of travel (they go up and down)

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10
Q

What are longitudinal waves

A

The oscillations are along the same direction as the direction of travel (they go back and forth)

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11
Q

What type of wave is light

A

Transverse wave

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12
Q

What is the angle of insidence equal to

A

Angle of reflection

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13
Q

What is geostationary

A

Stays in the same position all the time

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14
Q

What is geosynchronous

A

Has an orbit time of 24 hours

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15
Q

What is used to send satellites information

A

Microwaves because they can travel through the atmosphere

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16
Q

What are radio waves

A

Used between mobile phones and cell towers

17
Q

What is the perpendicular line to the mirror line

A

The normal

18
Q

What is the calculation for speed

A

Speed = distance divided by time

19
Q

What happens to water waves

A

Depth goes up as the speed goes up

20
Q

How do u calculate wave speed

A

Frequency x wavelength

21
Q

What has the longest wavelength in the electromagnetic spectrum

A

Radio waves

22
Q

Name the order of the electromagnetic spectrum

A 
Radio waves
Microwaves
I.R (infrared radiation) 
Visible Light
Ultra Violet
X -ray
Gammar rays
23
Q

What happens to the speed of water waves are as the water gets deeper

A

Speed goes up but less waves

24
Q

What do you call it when light bends as it travels into a glass block

A

Refraction

25
Q

What has the highest frequency

A

Gamma

26
Q

Which parts are ionising(can damage cells)

A

Ultra Violet, X ray, and Gammer ray

27
Q

What is similar about all parts of the electro magnetic spectrum?

A

They can travel through vacuum
They have the same speed
Can transfer energy

28
Q

Which is the only part of the system we can see?

A

Visible light spectrum

29
Q

Which electromagnetic spectrum can kill microorganisms?

A

Ultra Violet

30
Q

Which electromagnetic spectrum is used for satellite transmissions

A

Radio waves

31
Q

Which rays do people give out?

A

Infrared radiation

biology ᖭི༏ᖫྀ (10 decks)

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