Required practical - Infrared radiation (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the aim of the Leslie's cube practical?
What is the aim of the Leslie's cube practical?
Test how surface affects thermal radiation
Which two properties of a surface affect how it behaves with heat?
Which two properties of a surface affect how it behaves with heat?
Colour and texture
What is a Leslie's cube?
What is a Leslie's cube?
A metal cube with 4 different surfaces
In Method 1, how far should the thermometer be placed from each side of the cube?
In Method 1, how far should the thermometer be placed from each side of the cube?
About 10cm away
How often should temperature readings be taken in Method 1?
How often should temperature readings be taken in Method 1?
Every 30 seconds
What type of water is used in the Leslie's cube for Method 2 (testing absorption)?
What type of water is used in the Leslie's cube for Method 2 (testing absorption)?
Cold water
Which surface is the best emitter of thermal radiation?
Which surface is the best emitter of thermal radiation?
Dull black
Which surface heats up the fastest when absorbing thermal radiation?
Which surface heats up the fastest when absorbing thermal radiation?
Dull black
Which surface is the worst at both emitting and absorbing thermal radiation?
Which surface is the worst at both emitting and absorbing thermal radiation?
Silver
What is the relationship between good absorbers and good emitters?
What is the relationship between good absorbers and good emitters?
Good absorbers are also good emitters
To make the test fair, what should be kept the same for each surface tested?
To make the test fair, what should be kept the same for each surface tested?
Distance, time, and thermometer used
Which type of surfaces are best at absorbing and emitting infrared radiation?
Which type of surfaces are best at absorbing and emitting infrared radiation?
Dark, dull surfaces