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mention the applications of ultrasonic waves

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Ultra sonic imaging is used by physicians to look inside the human body. The visual image is reconstructed from the information contained in the amplitude and the phase of the reflected waves

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frequency

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It is the number of oscillation per one second. Sometimes it is referred as linear frequency. It is denoted by f. the unit of frequency is hertz or (1/second)

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when the amplitude of the a wave is constant the wave is called?

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harmonic wave

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The energy (E) transmitted by a wave is directly proportional to___________.

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the square of the amplitude (A)

E α A2

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y= Asin(kx± ωt)

what does this equation represent ? 

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 represents a harmonic wave that passes through the origin (0,0)

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When the phase angle (φ) of a wave is zero , the general equation of waves is written as:

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y= Asin(kx± ωt)

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define waves

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A disturbance that transfers energy from one point to another without imparting net motion to the medium through which it propagates

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transverse waves

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The disturbance is at right angles
(perpendicular) to the direction of propagation of the wave. 

Pulses in a rope are an example of this type

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electromagnetic wave

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waves that do not need medium to transfer through, example of this type include light waves and radio waves.

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waves can be classified into two types according to the direction of the wave :

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  1. transverse waves
  2. longitudinal waves
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periodic time

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It is the time for one complete oscillation. It is denoted by T. Its unit is second.

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wave length

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It is the distance between two successive crests (or tow successive troughs). It is denoted by λ. It is measured in unit of length such as meters, centimeters, nanometers and so on.

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Beispielhafte Karteikarten für deinen waves Kurs an der Ahfad University for Women - von Kommilitonen auf StudySmarter erstellt!

Q:

mention the applications of ultrasonic waves

A:

Ultra sonic imaging is used by physicians to look inside the human body. The visual image is reconstructed from the information contained in the amplitude and the phase of the reflected waves

Q:

frequency

A:

It is the number of oscillation per one second. Sometimes it is referred as linear frequency. It is denoted by f. the unit of frequency is hertz or (1/second)

Q:

when the amplitude of the a wave is constant the wave is called?

A:

harmonic wave

Q:

The energy (E) transmitted by a wave is directly proportional to___________.

A:

the square of the amplitude (A)

E α A2

Q:

y= Asin(kx± ωt)

what does this equation represent ? 

A:

 represents a harmonic wave that passes through the origin (0,0)

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Q:

When the phase angle (φ) of a wave is zero , the general equation of waves is written as:

A:

y= Asin(kx± ωt)

Q:

define waves

A:

A disturbance that transfers energy from one point to another without imparting net motion to the medium through which it propagates

Q:

transverse waves

A:

The disturbance is at right angles
(perpendicular) to the direction of propagation of the wave. 

Pulses in a rope are an example of this type

Q:

electromagnetic wave

A:

waves that do not need medium to transfer through, example of this type include light waves and radio waves.

Q:

waves can be classified into two types according to the direction of the wave :

A:
  1. transverse waves
  2. longitudinal waves
Q:

periodic time

A:

It is the time for one complete oscillation. It is denoted by T. Its unit is second.

Q:

wave length

A:

It is the distance between two successive crests (or tow successive troughs). It is denoted by λ. It is measured in unit of length such as meters, centimeters, nanometers and so on.

waves

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