Measuring refractive index of water

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Discussion Overview

The discussion revolves around experimental techniques for measuring the refractive index of water. Participants explore various methods, including both specialized equipment and more accessible approaches suitable for educational settings.

Discussion Character

  • Exploratory, Technical explanation, Homework-related

Main Points Raised

  • One participant suggests using a refractometer as a method for measuring the refractive index.
  • Another participant points out that a refractometer may not be accessible or affordable for everyone and proposes using Total Internal Reflection as an alternative method that requires readily available equipment.
  • A further reply mentions a resource from HyperPhysics that may provide guidance for a simple and inexpensive experiment.
  • There is a comment indicating that the initial suggestion may not be very helpful considering the details provided by the original poster.

Areas of Agreement / Disagreement

Participants do not reach a consensus on the best method, with some advocating for the use of a refractometer while others emphasize the need for more accessible alternatives.

Daisy
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Does anyone know any good experimental techniques of measuring refractive index of water?
 
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M Quack said:
Use a refractometer.

http://en.wikipedia.org/wiki/Refractometer
Not very helpful if you 1. Haven't got one, 2. Can't afford one.

If this is a school type of experiment that you're after then using Total Internal Reflection is a good approach because you can use readily available equipment. You might find this hyper physics link gives you an idea for a simple and cheap experiment.
 
Not very helpful maybe, but given the level of detail in the op...
 

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