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Coefficient of Linear Expansion a x 10-5 Material ах 10-5 Material ('C1) 2.94 1.33 0.899 1.88 1.17 2.69 3.25 2.30 lead Pb 2.03 nickel - Ni, commercial 1.65 platinum - Pt 0.897 silver - Ag 0.32 steel, plain carbon 1.43 tin Sn 1.05 zinc Zn aluminum- Al, annealed brass-yellow copper Cu glass glass Pyrex gold Au iron - Fe In the table the coefficient has been multiplied to get the number shown. This means that the coefficient of Al is 2.30x10 C1 Questions 1. Explain the meaning of the coefficient of linear expansion for a material. 2, How is&L related to ΔΤ? Explain. 3. Look at the accepted values for the linear expansion coefficient for copper, brass, and aluminum (Table 2). Compare these values with your experimental values. What is the percentage difference in each case? Is your experimental error consistently high or 4. On the basis of your answers in question 3, speculate on the possible sources of error in your experiment. How might you improve the accuracy of the experiment? References 1. Physics For Scientists And Engineers, 6th edition, Paul A. Tipler and Gene Mosca, (W. H. Freeman, New York, NY, 2008).

Coefficient of Linear Expansion a x 10-5 Material ах 10-5 Material ('C1) 2.94 1.33 0.899 1.88 1.17 2.69 3.25 2.30 lead Pb 2.03 nickel - Ni, commercial 1.65 platinum - Pt 0.897 silver - Ag 0.32 steel, plain carbon 1.43 tin Sn 1.05 zinc Zn aluminum- Al, annealed brass-yellow copper Cu glass glass Pyrex gold Au iron - Fe In the table the coefficient has been multiplied to get the number shown. This means that the coefficient of Al is 2.30x10 C1 Questions 1. Explain the meaning of the coefficient of linear expansion for a material. 2, How is&L related to ΔΤ? Explain. 3. Look at the accepted values for the linear expansion coefficient for copper, brass, and aluminum (Table 2). Compare these values with your experimental values. What is the percentage difference in each case? Is your experimental error consistently high or 4. On the basis of your answers in question 3, speculate on the possible sources of error in your experiment. How might you improve the accuracy of the experiment? References 1. Physics For Scientists And Engineers, 6th edition, Paul A. Tipler and Gene Mosca, (W. H. Freeman, New York, NY, 2008).

University Physics Volume 2
University Physics Volume 2
18th Edition
ISBN:9781938168161
Author:OpenStax
Publisher:OpenStax
Chapter1: Temperature And Heat
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Coefficient of Linear Expansion a x 10-5 Material ах 10-5 Material ('C1) 2.94 1.33 0.899 1.88 1.17 2.69 3.25 2.30 lead Pb 2.03 nickel - Ni, commercial 1.65 platinum - Pt 0.897 silver - Ag 0.32 steel, plain carbon 1.43 tin Sn 1.05 zinc Zn aluminum- Al, annealed brass-yellow copper Cu glass glass Pyrex gold Au iron - Fe In the table the coefficient has been multiplied to get the number shown. This means that the coefficient of Al is 2.30x10 C1 Questions 1. Explain the meaning of the coefficient of linear expansion for a material. 2, How is&L related to ΔΤ? Explain. 3. Look at the accepted values for the linear expansion coefficient for copper, brass, and aluminum (Table 2). Compare these values with your experimental values. What is the percentage difference in each case? Is your experimental error consistently high or 4. On the basis of your answers in question 3, speculate on the possible sources of error in your experiment. How might you improve the accuracy of the experiment? References 1. Physics For Scientists And Engineers, 6th edition, Paul A. Tipler and Gene Mosca, (W. H. Freeman, New York, NY, 2008).
Transcribed Image Text:Coefficient of Linear Expansion a x 10-5 Material ах 10-5 Material ('C1) 2.94 1.33 0.899 1.88 1.17 2.69 3.25 2.30 lead Pb 2.03 nickel - Ni, commercial 1.65 platinum - Pt 0.897 silver - Ag 0.32 steel, plain carbon 1.43 tin Sn 1.05 zinc Zn aluminum- Al, annealed brass-yellow copper Cu glass glass Pyrex gold Au iron - Fe In the table the coefficient has been multiplied to get the number shown. This means that the coefficient of Al is 2.30x10 C1 Questions 1. Explain the meaning of the coefficient of linear expansion for a material. 2, How is&L related to ΔΤ? Explain. 3. Look at the accepted values for the linear expansion coefficient for copper, brass, and aluminum (Table 2). Compare these values with your experimental values. What is the percentage difference in each case? Is your experimental error consistently high or 4. On the basis of your answers in question 3, speculate on the possible sources of error in your experiment. How might you improve the accuracy of the experiment? References 1. Physics For Scientists And Engineers, 6th edition, Paul A. Tipler and Gene Mosca, (W. H. Freeman, New York, NY, 2008).
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