Experimental error for the travelling microscope

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SUMMARY

The discussion centers on determining the scale reading error for a traveling microscope used in an experiment to measure the refractive index of a liquid. Participants emphasize that the scale reading error is derived from the precision of the scale markings. For example, if the microscope's scale has 1mm markers and the user estimates to 0.5mm, the scale reading error would be ±0.25mm. Accurate assessment of this error is crucial for reliable experimental results.

PREREQUISITES
  • Understanding of experimental optics and refractive index measurement
  • Familiarity with the operation of a traveling microscope
  • Knowledge of measurement error analysis
  • Basic skills in reading and interpreting scale measurements
NEXT STEPS
  • Research the principles of optical measurement and refractive index determination
  • Learn about error analysis techniques in experimental physics
  • Explore the specifications and calibration methods for traveling microscopes
  • Investigate best practices for minimizing measurement errors in laboratory experiments
USEFUL FOR

Students conducting physics experiments, educators teaching optics, and researchers involved in precision measurement techniques.

DASHBOY
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Whats the scale reading error for a traveling microscope

Hi

At school we done an experiment to determine the refractive index of a liquid using real and apparent depth.

We used a traveling microscope a glass beaker and a coin.

One question we got was what was the scale reading error for the traveling microscope we used.

Can anyone help?

Thanks

Dash
 
Last edited:
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DASHBOY said:
One question we got was what was the scale reading error for the traveling microscope we used.

Can anyone help?

Probably not without seeing the microscope!

Next time you're in school, have another look at the microscope's scale, and work out the error from that.
 
The scale reading error is the error in reading the scale!
If the scale had 1mm markers and you estimated the position to 0.5mm the scale error would be +-0.25mm,
 

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