PHYS1110 report 4 - PHYS1110 Report 4 Investigation4...

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1 PHYS1110 Report 4 Investigation4: Measuring Refractive Index Of Water And Observing refraction Table of contents Executive summary 1 Risk assessment 2 Experimental set up 3 Results and analysis 3 Details and calculations 4 Observing refraction 4 Answers to questions 5 Conclusion 6
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2 Executive summary This investigation aims to observe the refraction in the water and use Snell’s law to explain refraction phenomenon and calculate the refractive index of water. Risk assessment Task Hazards Associated risks Existing risk control Risk rating with existing Controls C L R Pouring water in the bucket Water may split out Injury from Stepping on the water and falling down Pouring the water slowly, wipe it off if there is water split out 2 D L Moving the bucket The bucket may drop and break Injury from cutting by small piece Hold the bucket tightly when moving it, quickly step back if the bucket break 2 C M Measure angle with protractor Edge of the protractor is sharp Hands may be cut by protractor
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