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What is the displacement amplitude for a sound wave having a frequency of 100 Hz and a pressure amplitude of 10 Pa?

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Knowledge Check

  • In a plane electromagnetic wave, the electric field (E) having amplitude of 48 . V m^(-1) oscillates at a frequency of 2.0 xx 10^10 Hz. The amplitude of the oscillating magnetic field (B) is

    A
    `3.2xx10^(-8)`T
    B
    `3xx10^7` T
    C
    `16xx10^(-7)` T
    D
    `1.6xx10^(-7)` T

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    In a distant communication system, the carrier wave has an amplitude of 15 V and a frequency of 10 MHz. A data signal of frequency 500 Hz has modulated its amplitude with a modulation index of 0.01 Establish the equation of the amplitude modulated wave.

    What is wavelength (in metre) of radio wave of frequency 1.5xx10^8 Hz ?

    In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0xx10^10 Hz and amplitude 48 V. m^(-1) . What is the amplitude of the oscillating magnetic field?

    In a plane electromagnetic wave, the electric field oscillates sinusoidally at a frequency of 2.0xx10^10Hz and amplitude 48V/m. What is the amplitude of the oscillating magnetic field?

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