explain what is echo.write full form of Sonar given one application of Sonar. derive the relationship between speed, wavelength and frequency
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sonar is also known as sound navigation and ranging and echo is the multiple repeat of same word at different pitch and speed is the unit which is noted by dividing distance and time
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Echo is a reflection of sound that arrives at the listener with a delay after the direct sound.
The full form of SONAR is Sound Navigation Ranging.
The wavelength and frequency of light are closely related. The higher the frequency, the shorter the wavelength. Because all light waves move through a vacuum at the same speed, the number of wave crests passing by a given point in one second depends on the wavelength. That number, also known as the frequency, will be larger for a short-wavelength wave than for a long-wavelength wave.
The equation that relates wavelength and frequency for electromagnetic waves is: λν=c where λ is the wavelength, ν is the frequency and c is the speed of light.
The full form of SONAR is Sound Navigation Ranging.
The wavelength and frequency of light are closely related. The higher the frequency, the shorter the wavelength. Because all light waves move through a vacuum at the same speed, the number of wave crests passing by a given point in one second depends on the wavelength. That number, also known as the frequency, will be larger for a short-wavelength wave than for a long-wavelength wave.
The equation that relates wavelength and frequency for electromagnetic waves is: λν=c where λ is the wavelength, ν is the frequency and c is the speed of light.
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