Sound and light

Calculator name	Summary
Doppler effect for lightDoppler effect for light	Calculates the Doppler shift in wavelength of light.
Doppler effect for soundDoppler effect for sound	Calculates the Doppler shift in frequency of sound.
Velocity of sound in airVelocity of sound in air	Calculates the speed of sound in air.
Velocity of sound in sea-waterVelocity of sound in sea-water	Calculates the velocity of sound in sea-water and draws the chart.
Decibel from the amplitudeDecibel from the amplitude	Converts the amplitude of the input and output to the decibel.
Ratio of the amplitude from the decibelRatio of the amplitude from the decibel	Calculates the input and output power and voltage ratios from the decibel (gain)