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Physics 1401

Online Quiz 16

Chapter 15 in Conceptual Physics 12th edition

Question 1. When air is rapidly compressed, the temperature of the air
(a) increases
(b) decreases
(c) remains the same

Question 2. When heated (even a little), most metals
(a) explode
(b) melt
(c) shrink
(d) expand
(e) scream

Question 3. The precise temperature at the bottom of Lake Superior at 12:01 a.m. on October 31, 1894 (in °C) was
(a) 0
(b) 1
(c) 2
(d) 3
(e) 4

Question 4. True or false. When a red-hot piece of iron is put into an insulated bucket of cool water, the decrease in the temperature of the iron must be equal to the increase in the temperature of the water and bucket.
(a) true
(b) false

Question 5. True or false. When a red-hot piece of iron is put into an insulated bucket of cool water, the heat lost by the iron is gained by the water and bucket.
(a) true
(b) false

Question 6. The final temperature (in °C) of a mixture of 50 g of water at 20 °C and 50 g of water at 40 °C is
(a) 20
(b) 25
(c) 30
(d) 35
(e) 40

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