Physics Paper 6 Tips
- Created by: mrabomar
- Created on: 04-05-15 20:50
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- Paper 6 Tips
- Reliability/precautions
- light using light ray box
- darker room
- brighter light ray box
- sharp pencil
- mark rays at centre/edge of beam
- thin ray/small slit in ray box
- perpendicular viewing of protractor
- lens experiment
- darker room
- brighter lamp
- fix meter rule to clamp or on bench
- ensure object and centre of lens are at the same height
- move lens/ object/screen until sharpest image is formed
- darkened room
- brighter lamp
- move lens/ object/screen until sharpest image is formed
- use object with fine detail eg. crosswires
- measure at middle of range where image is sharp
- screen, lens and object all perpendicular to bench
- when placing pins
- far apart
- vertical
- observe pin bases
- light using light ray box
- sources of error
- angles and reflection
- thickness of lines
- thicknes sof protactor
- reading protractor
- thickness of pins/holes
- thickness of glass/mirror
- measuring length of a spring
- perpendicular view of ruler
- use set square etc.
- rule very close or touching spring
- angles and reflection
- reduce evaporation
- lid
- using string to measure average value for circumference
- half way up
- top and bottom
- more than one revolution
- divide value by revolutions
- apparatus uses
- water volume
- measuring cylinder
- distance around 50m
- tape measure
- force to lift s big object
- newtonmeter
- mass of small object
- electronic balance
- pressure of gas supply
- manometer
- water volume
- find centre of mass
- find where rule balances on pivot
- how to modify experiment if centre of mass is at 49.7cm mark
- take readings form 49.7 or add weight until balances at 50cm mark
- Reliability/precautions
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