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3)In a Michelson interferometer, 100 fringes cross the field of view when the movable mirror is...

3)In a Michelson interferometer, 100 fringes cross the field of view when the movable mirror is displaced by 0.02948mm.Calculate the wavelength of monochromatic source.

4) A certain microphone has an open circuit sensitivity of ?80 dB referenced to 1 V for sound-pressure excitation of 1dyn/cm2.Calculate the voltage output when exposed to a sound field of (a) 100 dB and (b) 50 dB

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Monochromatic light is beamed into a Michelson interferometer. The movable mirror is displaced 0.382 mm, causing...
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