In an experiment similar to Perrin's, you counted the concentration of suspended particles in a liquid. When observing the suspension at a depth 9 mm from the bottom of the container, you counted 300 particles per mm°. At a depth of 18 mm from the bottom, you counted 150 particles in the same volume. With a third observation at a depth of 20 mm from the bottom, the expected number of particles per mm is closest to which value? O 64 particles per mm O 100 particles per mm3 O 75 particles per mm3 O particles per mm3 O 130 particles per mm

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Which of the options is the right answer ?
In an experiment similar to Perrin's, you counted the concentration of suspended
particles in a liquid. When observing the suspension at a depth 9 mm from the
bottom of the container, you counted 300 particles per mm. At a depth of 18 mm
from the bottom, you counted 150 particles in the same volume. With a third
observation at a depth of 20 mm from the bottom, the expected number of particles
per mm3 is closest to which value?
O 64 particles per mm°
O 100 particles per mm3
O75 particles per mm'
O particles
per
mm3
O 130 particles per mm
Transcribed Image Text:In an experiment similar to Perrin's, you counted the concentration of suspended particles in a liquid. When observing the suspension at a depth 9 mm from the bottom of the container, you counted 300 particles per mm. At a depth of 18 mm from the bottom, you counted 150 particles in the same volume. With a third observation at a depth of 20 mm from the bottom, the expected number of particles per mm3 is closest to which value? O 64 particles per mm° O 100 particles per mm3 O75 particles per mm' O particles per mm3 O 130 particles per mm
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