Energy in Thermal ProcessesMultiple choices 1-5 1.Radiation is the chief method of energy transferA. from the Sun to Earth satelliteC. from water to an ice cubeB. from gas flame to water in kettle D. from a soldering iron to metal solderedThe work done to a system is characterized as2.A. positiveС.either positive or negativeB. negativeD. indeterminate3.Dark, rough objects are generally good forC. convectionD. both conduction and convectionA. conductionB. radiation4.Thirty joules of heat flow into a system. The system in turn does 50 joules of work. Theinternal energy of the system hasA. increased by 80 JC. increased by 20 JB. decreased by 80 JD. decreased by 20 J5.Black plastic handles are often used on kitchen utensils becauseA. The plastic is a good insulatorВ.The plastic is a good conductorThe black material is a good radiatorThe material is thermoplasticD.

1. In radiation the two bodies should not be in contact. Out of all the options, sun and earth…

1. Radiation is the chief method of energy transfer А. from the Sun to Earth satellite С. from water to an ice cube B. from gas flame to water in kettle D. from a soldering iron to metal soldered 2. The work done to a system is characterized as A. positive C. either positive or negative B. negative D. indeterminate 3. Dark, rough objects are generally good for A. conduction C. convection B. radiation D. both conduction and convection 4. Thirty joules of heat flow into a system. The system in turn does 50 joules of work. The internal energy of the system has A. increased by 80 J C. increased by 20 J B. decreased by 80 J D. decreased by 20 J 5. Black plastic handles are often used on kitchen utensils because The plastic is a good insulator B. The plastic is a good conductor C. The black material is a good radiator D. The material is thermoplastic

1. Radiation is the chief method of energy transfer А. from the Sun to Earth satellite С. from water to an ice cube B. from gas flame to water in kettle D. from a soldering iron to metal soldered 2. The work done to a system is characterized as A. positive C. either positive or negative B. negative D. indeterminate 3. Dark, rough objects are generally good for A. conduction C. convection B. radiation D. both conduction and convection 4. Thirty joules of heat flow into a system. The system in turn does 50 joules of work. The internal energy of the system has A. increased by 80 J C. increased by 20 J B. decreased by 80 J D. decreased by 20 J 5. Black plastic handles are often used on kitchen utensils because The plastic is a good insulator B. The plastic is a good conductor C. The black material is a good radiator D. The material is thermoplastic

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Energy transfer

The flow of energy from one region to another region is referred to as energy transfer. Since energy is quantitative; it must be transferred to a body or a material to work or to heat the system.

Molar Specific Heat

Heat capacity is the amount of heat energy absorbed or released by a chemical substance per the change in temperature of that substance. The change in heat is also called enthalpy. The SI unit of heat capacity is Joules per Kelvin, which is (J K-1)

Thermal Properties of Matter

Thermal energy is described as one of the form of heat energy which flows from one body of higher temperature to the other with the lower temperature when these two bodies are placed in contact to each other. Heat is described as the form of energy which is transferred between the two systems or in between the systems and their surrounding by the virtue of difference in temperature. Calorimetry is that branch of science which helps in measuring the changes which are taking place in the heat energy of a given body.

Question

Energy in Thermal Processes Multiple choices 1-5

1.
Radiation is the chief method of energy transfer
A. from the Sun to Earth satellite
C. from water to an ice cube
B. from gas flame to water in kettle D. from a soldering iron to metal soldered
The work done to a system is characterized as
2.
A. positive
С.
either positive or negative
B. negative
D. indeterminate
3.
Dark, rough objects are generally good for
C. convection
D. both conduction and convection
A. conduction
B. radiation
4.
Thirty joules of heat flow into a system. The system in turn does 50 joules of work. The
internal energy of the system has
A. increased by 80 J
C. increased by 20 J
B. decreased by 80 J
D. decreased by 20 J
5.
Black plastic handles are often used on kitchen utensils because
A. The plastic is a good insulator
В.
The plastic is a good conductor
The black material is a good radiator
The material is thermoplastic
D.

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