What will happen if the amplitude of a sound wave increases? a the sound pitch will decrease. bthe sound will become more intense. cthe sound pitch will increase. dthe sound will become less intense.

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

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What is the major limitation to the light microscope?