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· Zero Correction (Fz): If the zero reading in the hydrometer (in the control cylinder) is below the water meniscus, it is (+), if above it is (-), if at the meniscus it is zero.
· Meniscus Correction (Fm): Difference between upper level of meniscus and water level of control cylinder.
What else can I help you with?
What is the proper way to read a burette?
Any fluid!!! It is like a pipette, however, it is usually more accurate because you can use a burette loader which allows fine tuning of the liquid but not as fine as a gilson pipette. Basically, it is just a piece of apparatus used measuring liquids.
When the volume of a substance is zero the substance will exist or not?
There is some debate among theoretical physicists, about whether matter can exist in zero volume. In a sense, this defies belief, since matter exists in space (and time) and if the volume is zero, there is no space. On the other hand, the mathematical analysis of the gravitational collapse of a star into a black hole suggests that the collapse cannot be stopped, and will continue until volume reaches zero and density reaches infinity, creating an object called a singularity, which is unlike normal matter as we know it. This is a difficult subject to research and it may be a long time before we have a definitive answer. But for now, tentatively, I would have to say that yes, you can have a singularity with zero volume and infinite density, and the substance in the singularity does exist.
What value should theoretically be obtained for the intercept on a graph of mass vs volume HINT The intercept corresponds to zero mass and zero volume?
The intercept on a graph of mass vs. volume should be zero, as this point represents zero mass and zero volume. This makes sense because with no mass and no volume, there should be no measurements of mass either.
Which liquid has zero viscosity?
Superfluid helium is an example of a liquid with zero viscosity at temperatures close to absolute zero. This unique property allows it to flow without any resistance.
When does enthalpy become zero?
Enthalpy can be zero for a pure substance at its standard state, where it is defined as the enthalpy of formation. This typically occurs at a reference temperature and pressure specified for the substance.
What is zero correction?
the correction which is made to get correct measurement after zero error
Why do you use zero correction?
necessary correction can be made to find the correct measurement
How do you return the meniscus to zero using a potometer?
To return the meniscus to zero in a potometer, you need to adjust the screw or knob on the leveling bulb or reservoir until the meniscus aligns with the zero mark on the scale. This ensures that the air bubble in the potometer is at the starting point for accurate measurements when taking readings for transpiration experiments.
Why do we use zero correction?
Beautiful and
What is zero correction in screw gauge?
Zero correction in a screw gauge refers to the adjustment needed to compensate for any slight misalignment between the zero mark on the main scale and the zero mark on the circular scale. This correction ensures accurate measurements are taken by aligning the two zero points when no object is being measured.
What is the zero correction of the vernier?
The zero correction of a vernier scale is the adjustment needed to align the zero mark of the vernier scale with the zero mark of the main scale when there is no object being measured. It accounts for any offset or error in the alignment of the two scales to ensure accurate measurements.
How do you find the zero error and zero correction in sgrew gauge?
we can find the zero error by closing the jaw of screw guage if the zero of main scale(MS) is concide with the zero of circular scale (CS) there is no zero error and if they are not concide there is a zero error in screw guage .
Can an eyeglass have zero power?
Of course. Simply fit a set of smart frames with lenses fabricated from what is known in the trade as "window glass", and you have designer eye-glasses with zero correction. One wonders why a person would go to that trouble and expense if his vision needed no correction, but ours is not to reason why.
What is end correction in meter bridge?
End correction in a meter bridge refers to the added resistance due to the non-zero dimensions of the connecting wires or strips at the ends of the bridge. This added resistance needs to be accounted for when using the meter bridge for precise measurements. Calculating the end correction helps ensure accurate results when determining unknown resistances.
How you remove positive zero error?
Positive zero error means, instead showing zero it shows some value more than zero. Hence positive. Suppose if it shows some reading say 0.03 units. then while correcting we have to subtract the above from the observed reading. So correction is adding negative error.
How do you take readings from a micrometer screw gauge?
The first step is to find the zero error and hence the zero correction. Rotate the micrometer until the fixed and movable jaws contact each other - not too hard and not too soft but just right, you should geta feel for this. Rarely will a micrometer will read zero. You need to figure out the zero error. It may be positive or negative. If the zero error is positive then the zero correction is negative and vicevers. Now open the micrometer and insert the object to be measured and close the micrometer with ideally the same sense of pressure you felt when you found the zero error. Now read the micrometer. You add the zero correction to get the true value.
What is a zero error?
if the zero line of vernier scale is not conciding with main scale the zero error exists.Knowing the zero error necessary correction can be made to find correct measurement..Such a correction is called zero correction
