Changes in Energy (OCR GCSE Physics A, Combined (Gateway Science Suite)): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is specific heat capacity?
What is specific heat capacity?
Energy to raise 1 kg by 1°C
What are the units for specific heat capacity?
What are the units for specific heat capacity?
J/kg°C
Which letter denotes specific heat capacity?
Which letter denotes specific heat capacity?
lowercase
Materials with high specific heat capacity require what?
Materials with high specific heat capacity require what?
More thermal energy to increase temp
In , what does represent?
In , what does represent?
Change in thermal energy (J)
How much energy heats 2 kg water (c=4,200 J/kg°C) from 20°C to 30°C?
How much energy heats 2 kg water (c=4,200 J/kg°C) from 20°C to 30°C?
84,000 J
In , what does represent?
In , what does represent?
Change in temperature (°C or K)
What equipment measures the mass of the block in the practical?
What equipment measures the mass of the block in the practical?
Balance
What formula calculates the power of the heater in the practical?
What formula calculates the power of the heater in the practical?
In the practical, how many seconds equal 10 minutes?
In the practical, how many seconds equal 10 minutes?
600 s
What is the rearranged formula to find ?
What is the rearranged formula to find ?
Why is water effective in cooling systems?
Why is water effective in cooling systems?
High c absorbs heat without large temp rise