Adding two sine waves different frequencies

7933 best questions for Adding two sine waves different frequencies

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☑️ Can two waves with different frequencies interfere?

No; wave interference takes place whenever two waves of any frequency, same, nearly the same or widely different interact. An air molecule next to your ear, for example, can only respond to the sum of all the different sound waves reaching it at any moment.

☑️ Why do waves have different frequencies?


The amplitude or height of a wave is measured from the peak to the trough… Longer wavelengths will have lower frequencies, and shorter wavelengths will have higher frequencies ([link]). This figure illustrates waves of differing wavelengths/frequencies.

☑️ What happens when two waves of different frequencies are added together?

When two waves of similar frequency arrive at the same point and superimpose, they alternately constructively and destructively interfere. This alternating is known as a beat because it produces an unpleasant pulsing sound… This varying loudness occurs because the sound waves have similar but not identical frequencies.

☑️ What are the different frequencies of radio waves?

  • Within VLF, the wavelengths can vary from about 62 miles (100 km) for sounds with a frequency of 3 kHz to about 6.2 miles (10 km) for sounds with a frequency of 30 kHz. The different frequency bands for radio waves are used in different ways by the government, military and public use.

☑️ What are the different frequencies of brain waves?

  • Alpha Waves. This frequency range bridges the gap between our conscious thinking and subconscious mind. In other words, alpha is the frequency range between beta and theta. It helps us calm down when necessary and promotes feelings of deep relaxation.

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Video answer: Electromagnetic waves: wavelengths and frequencies - a level physics

Electromagnetic waves: wavelengths and frequencies - a level physics

Video answer: Electromagnetic waves -frequencies and wavelengths - regions of electromagnetic spectrum

Electromagnetic waves -frequencies and wavelengths - regions of electromagnetic spectrum

Video answer: Frequencies & sound explained #1 - basic sound theory

Frequencies & sound explained #1 - basic sound theory

Video answer: Gcse physics - electromagnetic waves #64

Gcse physics - electromagnetic waves #64

Top 7913 questions from Adding two sine waves different frequencies

We’ve collected for you 7913 similar questions from the «Adding two sine waves different frequencies» category:

Are sine waves transverse?

Probably the simplest kind of wave is a transverse sinusoidal wave in a one-dimensional string. Because the oscillation is harmonic, the displacement as a function of time is a sine function, with an amplitude (maximum displacement)A and a period (time between maxima) T…

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How many frequencies are there in a sine wave?

  • Where a sine wave only has one frequency component - its fundamental - the square wave has the fundamental and harmonics at whole odd-number multiples of the fundamental frequency. So in a 100 hertz square wave you hear frequency components of 100 hertz, 300 hertz, 500 hertz, 700 hertz and so on all the way up the frequency band.

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What happens when two sine waves travel in the same medium?

  • Two sine waves travelling in opposite directions create a standing wave. If two sinusoidal waves having the same frequency (and wavelength) and the same amplitude are travelling in opposite directions in the same medium then, using superposition, the net displacement of the medium is the sum of the two waves.

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How are two waves with the same frequency different?

  • For example, in a birefrigent medium ( ), the wavelength depends on the polarization, so two waves in the same medium and with the same frequency but different polarization can have different wavelengths. Nope nope nope.

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Are all waves made of sine waves?

All waves can be made by adding up sine waves. The sine wave has a pattern that repeats. The length of this repeating piece of the sine wave is called the wavelength.

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Do sine waves have harmonics?

A harmonic is an additional frequency created by the wave. The sine waveform is unique in that it doesn't have any additional harmonics; it is the fundamental waveform.

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What do light waves of greater frequencies have?

The meaning of a high frequency wave is a shorter wavelength.For electromagnetic waves in general (including light):* At greater frequencies, you get shorter wavelengths.* At greater frequencies, you get more energy per photon.

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How are the frequencies of light waves related?

  • Again, the full range of frequencies extends beyond the visible portion, from less than 3 billion hertz, as in radio waves, to greater than 3 billion billion hertz (3 x 10 19 ), as in gamma rays. The amount of energy in a light wave is proportionally related to its frequency: High frequency light has high energy; low frequency light has low energy.

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What are the 5 frequencies of brain waves?

  • In order of lowest frequency to higher, the five brain waves are: Delta, Theta, Alpha, Beta and Gamma. Getting to Know the 5 Frequencies Throughout the day your brain will utilise certain waves to process certain situations.

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How are resonant frequencies related to standing waves?

  • Only the resonant frequencies interfere constructively to form standing waves, while others interfere destructively and are absent. From the toot made by blowing over a bottle, to the characteristic flavor of a violin’s sounding box, to the recognizability of a great singer’s voice, resonance and standing waves play a vital role.

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Why do only certain frequencies produce standing waves?

A wave pulse reflecting from a fixed end is inverted. For a rope with two fixed ends, another wave travelling down the rope will interfere with the reflected wave. At certain frequencies, this produces standing waves where the nodes and antinodes stay at the same places over time.

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How are the frequencies of standing waves related?

  • If the fundamental wavelength were 1 m the wavelength of the second harmonic would be 1 2 m, the third harmonic would be 1 3 m, the fourth 1 4 m, and so on. Since frequency is inversely proportional to wavelength, the frequencies are also related.

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How are the two seismic waves different from each other?

Well there are four types of Seismic waves. There is the P, S, L, and R waves. The P wave travels in ones straight line. The S wave travels in a squiggle. The L wave travels in a curling motion. The R wave travels like the tea cup rides you see inDisneyland. The fastest is the P wave, then S, the last two are L and R.

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What are the different types of sound frequencies?

  • Low Sound-Frequency Waves.
  • Medium Sound-Frequency Waves.
  • High Sound-Frequency Waves.

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How are sine waves related to the sine curve?

  • Sine waves have the shape of sine curve. The X-axis of the sine curve represents the time. The Y-axis of the sine curve represents the amplitude of the sine wave. The amplitude of the sine wave at any point in Y is proportional to the sine of a variable. The sine curve goes through origin.

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How are sine waves and aperiodic waves related?

  • On the other hand, if the sound contains aperiodic waves along with sine waves (which are periodic), then the sound will be perceived to be noisy, as noise is characterized as being aperiodic or having a non-repetitive pattern.

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How are square waves related to sine waves?

  • A complex waveform can be constructed from, or decomposed into, sine (and cosine) waves of various amplitude and phase relationships. This is the basis of Fourier analysis. A square wave consists of a fundamental sine wave (of the same frequency as the square wave) and odd harmonics of the fundamental.

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How are sine waves related to sound waves?

  • A wave of rising and falling air pressure is transmitted to the listener’s ear. This is the physical phenomenon of sound, the actual sound wave. Assume that a tuning fork creates a single-frequency wave. Such a sound wave can be graphed as a sine wave, as illustrated in Figure 2.1.

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Are fm frequencies in the range of radio waves?

They are the ones that are Frequently Monitored, wether it be by the government or spy agencies of the army. They have just been shortened to FM.

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Sound waves with frequencies above 20000 hz are called?

Ultrasonic frequencies.

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Why do standing waves only occur at certain frequencies?

A standing wave pattern is a vibrational pattern created within a medium when the vibrational frequency of the source causes reflected waves from one end of the medium to interfere with incident waves from the source… Such patterns are only created within the medium at specific frequencies of vibration.

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Why do certain technologies use different radio wave frequencies?

Why is the frequency of a radio wave important?

  • One of the most important characteristics of any waves is their wavelength or frequency of radio waves. The frequency of radio waves determines the position in the radio frequency spectrum and hence all the characteristics of radio wave propagation and potential use.

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Do different colors have differnt frequencies or wave lengths?

What are the colors of a narrow wavelength?

  • Colors of light that correspond to narrow wavelength bands (monochromatic light) are the pure spectral colors learned using the ROYGBIV acronym: red, orange, yellow, green, blue, indigo, and violet. Wavelengths of Visible Light

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Are all digital signals sine waves?

No and yes. Digital signals are usually square or pulse waves. By Fourier analysis, however, every periodic wave, even a square wave, is the summation of some series (often infinite) of sine waves.

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How does pwm generate sine waves?

  1. Create a look-up table for the sine wave.
  2. Configure the Timer block to generate periodic interrupts.
  3. Configure the PWM block.
  4. Vary the PWM duty cycle during each timer interrupt.
  5. Use a low pass filter.

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What are current and sine waves?

  • SINE WAVES IN PHASE. When a sine wave of voltage is applied to a resistance, the resulting current is also a sine wave. This follows Ohm's law which states that current is directly proportional to the applied voltage.

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What are sine waves measured in?

The frequency of a sine wave is how often the wave repeats itself. It is usually measured in Hertz (abbreviated Hz), sometimes also called "cycles per second".

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How is sine affiliated with waves?

Waves are periodic function, as is the sine function.

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Am wave frequencies are ____ fm frequencies?

  • As mentioned earlier, AM involves the alteration of the amplitude of the carrier wave, whereas FM involves changes in the frequency of the carrier wave. The typical frequency range in which AM works is 535 to 1705 Kilohertz, whereas the frequency range is around 88-108 Megahertz for FM.

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The frequencies at which standing waves are made are called?

Resonant frequencies (the Earth's resonant frequencies were first discovered by Nikola Tesla)

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Which electromagnetic waves have the longest wavelengths and lowest frequencies?

The answer to this question is radio waves

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What are the various frequencies of radio waves used for?

  • Various frequencies of radio waves are used for television and FM and AM radio broadcasts, military communications, mobile phones, ham radio, wireless computer networks, and numerous other communications applications. Most radio waves pass freely through Earth's atmosphere.

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What is the difference in a pure sine wave and a imperfect sine wave of the same frequencies?

A pure sine wave has energy at only one frequency.Any other wave shape has energy at other frequencies in addition to the frequency of the obvious waveshape.If you add up enough sine waves with the right frtequencoies and amplitudes, they'll add up to form any shapeyou want, even a squarewave.

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How do you add three sine waves?

Use the sliders below to set the amplitudes, phase angles, and angular velocities for each one of the three sinusoidal functions. Check the Show/Hide button to show the sum of the three functions. Click the Reset button to restart with default values.

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What are the sine waves in eeg?

  • The EEG itself is a complex waveform with no obvious physiologically underlying sinusoidal elements that have been clearly identified. In the signal itself, the only observed sine wave is typically the alpha oscillation which arises most prominently when a person has their eyes closed and is visible in the autocorrelation.

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What are the two main bands of television wave frequencies?

Amplitude and frequency

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How are light waves different from water waves?

  • Unlike water waves, light waves follow more complicated paths, and they don't need a medium to travel through. When the 19th century dawned, no real evidence had accumulated to prove the wave theory of light. That changed in 1801 when Thomas Young, an English physician and physicist, designed and ran one of...

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How are theta waves different from delta waves?

  • Theta waves fall close to the low end of the spectrum. They are slower than alpha waves but faster than delta waves. An EEG would measure theta waves in the 4 to 8 Hz range. All five types of brain waves have different but important roles to play when it comes to your health and wellbeing.

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How are shear waves different from compression waves?

  • Shear wave. Both shear (transverse) and compressional (longitudinal) waves are transmitted in bulk matter. Shear waves travel at about half the speed of compressional waves (e.g., in iron, 3,200 metres per second compared with 5,200 metres per second). The shear-wave velocity in a crystal varies according to the direction...

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How are light waves different from sound waves?

  • Light waves can travel through a much greater distance. Light waves travels at much higher velocity as compared to sound waves. The velocity of light waves through a vacuum is 2.998 x 10 8 m/s. Visible light has a wavelength of range from 400-700nm, Violet light has a wavelength of 400nm whereas red light has a wavelength of 700nm.

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How are acoustic waves different from other waves?

  • Acoustic waves are elastic waves that exhibit phenomena like diffraction, reflection and interference. Note that sound waves in air, however, don't have any polarization since they oscillate along the same direction as they move.

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How are longitudinal waves different from surface waves?

  • While waves that travel within the depths of the ocean are longitudinal waves, the waves that travel along the surface of the oceans are referred to as surface waves. A surface wave is a wave in which particles of the medium undergo a circular motion. Surface waves are neither longitudinal nor transverse.

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How are pulse waves different from periodic waves?

  • Pulse Waves and Periodic Waves. If you drop a pebble into the water, only a few waves may be generated before the disturbance dies down, whereas in a wave pool, the waves are continuous. A pulse wave is a sudden disturbance in which only one wave or a few waves are generated, such as in the example of the pebble.

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How are fm waves different from am waves?

  • FM (frequency modulated) radio and TV waves don't act in the same way as AM radio waves. For starters, they are on a higher frequency in the RF spectrum (The name RF, stands for radio frequency, but when TV came along they just stuck with the name.)

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How are body waves different from surface waves?

  • Body waves travel faster deep within the earth than near the surface. At a depth of 1,000 kilometers (620 miles), the waves travel more than 1 1 / 2 times that speed. S-waves cannot travel through liquids. When they reach the surface they cause horizontal shaking.

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How are radio waves different from other waves?

The different types of radiation are defined by the the amount of energy found in the photons. Radio waves have photons with low energies, microwave photons have a little more energy than radio waves, infrared photons have still more, then visible, ultraviolet, X-rays, and, the most energetic of all, gamma-rays.

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How are electromagnetic waves different from mechanical waves?

  • Magnetism can also be static, as it is in a refrigerator magnet. A changing magnetic field will induce a changing electric field and vice-versa—the two are linked. These changing fields form electromagnetic waves. Electromagnetic waves differ from mechanical waves in that they do not require a medium to propagate.

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How are em waves different from sound waves?

  • Sound waves: Sound cannot propagate through a vacuum. EM waves: EM waves travels with the speed of ms -1 . Sound waves: Speed of sound in air increases with the temperature. EM waves: Speed of EM waves in air is slightly slower than that of in a vacuum.

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How do electromagnetic waves different from other waves?

  • Electromagnetic waves unlike any other types of waves contain a magnetic field and also, an electric field oscillating perpendicular to each other and perpendicular to the direction of propagation of the wave. These waves carry energy in the direction of propagation of the wave. They can propagate through a vacuum as they are not mechanical waves.

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How are love waves different from seismic waves?

  • They are largest at the surface and decrease in amplitude with depth. Love waves are dispersive, that is, the wave velocity is dependent on frequency, generally with low frequencies propagating at higher velocity. Depth of penetration of the Love waves is also dependent on frequency, with lower frequencies penetrating to greater depth.

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