Question

1.A graduated cylinder with a least count of = 0.5 ml is used in a density
experiment. The initial water level, before inserting the irregular
shaped solid, is 30.0 ml. After inserting the solid, the water level is 34.5 ml. What is the probable error in the volume of the splid?

Answer 1

We have that the Probable error is

$x=\pm 1.0ml$

 

From the question we are told

• A graduated cylinder with a least count of $\pm 0.5 ml$
• The initial water level, before inserting the irregular
• shaped solid.
• Is 30.0 ml. After inserting the solid,
• The water level is 34.5 ml.

Generally the equation for the new quantity. is mathematically given as

X=Initial level - Final Level (initial and final error)

Therefore

$X (34.5-30.0) \pm(0.5+0.5)$

Hence the  Probably error to the level is

X= 4.5\pm 1.0

Therefore

The Probable error is

$x=\pm 1.0ml$

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