Physics Mock Flashcards

Pregunta	Respuesta
True or false All objects emit Infrared Radiation P1 - 1.1	True
What does Emit mean? P1 - 1.1	Emit means 'Give out'
What does absorb mean? P1 - 1.1	Absorb means 'Take in'
What is the equation for Efficiency? P1 - 1.2	Efficiency = Useful energy out ---------------------- Total energy in Or Efficiency = Useful power out ---------------------- Total power in
What is the equation for payback time? P1 - 1.2	Payback time = Cost of new appliance --------------------------- Cost of energy saved each year

True or false All objects emit Infrared Radiation P1 - 1.1

True

What does Emit mean? P1 - 1.1

Emit means 'Give out'

What does absorb mean? P1 - 1.1

Absorb means 'Take in'

What is the equation for Efficiency? P1 - 1.2

Efficiency = Useful energy out ---------------------- Total energy in Or Efficiency = Useful power out ---------------------- Total power in

What is the equation for payback time? P1 - 1.2

Payback time = Cost of new appliance --------------------------- Cost of energy saved each year

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	Creado por Beth Stone hace casi 11 años