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In a location where the speed of sound is 337 m/s, a 2000 Hz sound wave impinges on two slits 30cm apart.
a) At what angle is the first maximumlocated?b) If the sound wave is replaced by 3.00cm microwaves, what slit separation gives the same angle for the first maximum?c) If the slit separation is 1.00 µm, what frequency lightgives the same first maximum angle?
It has been suggested that rotating cylinders about 10 mi long and 5.0 mi in diameter be placed in space and used as colonies. What angular speed should such a cylinder have so that the centripetal acceleration at its surface equals the free-fall ..
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Two is otropic point sources of light (S1 andS2) are separated by a distance d = 250μm along a yaxis and emit in phase at wavelength 841nm and at the sameamplitude. A light detector is located at point P at coordinate xp on the x axis.
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