The Physics of Everyday Phenomena, 9e (Griffith)
Chapter 1 Physics, the Fundamental Science
1) People sometimes have difficulty distinguishing between scientific explanations of common events and other kinds of explanation (superstition, prejudice, magic, etc.). Which of the following best helps to identify a scientific explanation?
A) The explanation goes against the results of public opinion polls
B) The explanation changes according to the social status of the observer
C) We can test the explanation by comparing its predictions to measurement results
D) The explanation relies on local folklore
Answer: C
Difficulty: 1 Easy
Topic: The Scientific Enterprise
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
2) The main reason that physics is perceived to be difficult is because people think that
A) all of its concepts seem incompatible with our everyday experience.
B) it frequently changes its explanations of common occurrences.
C) the laws of physics are often shown to be wrong.
D) math is required to understand its ideas.
Answer: D
Difficulty: 2 Medium
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Conceptual
Accessibility: Keyboard Navigation
3) The metric system of units is based on which number?
A) 2
B) 8
C) 10
D) 16
Answer: C
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
4) Which of the following is a correct metric unit for volume?
A) Smidgens
B) Drops
C) Microns
D) Liters
Answer: D
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
5) A new system of units is invented where the basic unit of length is the "dak." The "dak" is defined as equal to 2 inches, and there are 2.54 centimeters in an inch. How many "daks" are there in a centimeter?
A) 4
B) 0.197
C) 2
D) 0.254
Answer: B
Difficulty: 2 Medium
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Numerical
Accessibility: Keyboard Navigation
6) Suppose that, as it evaporates in the upper atmosphere, a raindrop's diameter changes from one millimeter to one micrometer. Its diameter has decreased by a factor of
A) 10, i.e., it is one tenth of the initial size.
B) 100, i.e., it is one hundredth of the initial size.
C) 1,000 (or, 103), i.e., it is one thousandth of the initial size.
D) 1,000,000 (or, 106), i.e., it is one millionth of the initial size.
Answer: C
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
7) Your new weed-cutter requires, as fuel, a gas-to-oil mixture of 20-to-1 (20 parts of gas mixed with one part of oil). You have 1/2 of a gallon of gas. How much oil, in gallons, should you add to make it all into fuel for the weed-cutter?
A) 2
B) 1/2
C) 1/20
D) 1/40
Answer: D
Difficulty: 2 Medium
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Numerical
Accessibility: Keyboard Navigation
8) Students often fail to include units with their answers. Science teachers say that units are important. In which one of the following situations would you insist that units be included?
A) Your brother asks if you would like a large soda for lunch
B) A friend offers you two per mile to help pay for gas on a trip
C) Your manager says you can take a break when the project you are working on is halfway finished
D) A police officer says you did not stop at a red light
Answer: B
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Conceptual
Accessibility: Keyboard Navigation
9) In which of these relations will S double if T is doubled?
A) S = 10T
B) T = 1/S
C) T = S*S
Chapter 1 Physics, the Fundamental Science
1) People sometimes have difficulty distinguishing between scientific explanations of common events and other kinds of explanation (superstition, prejudice, magic, etc.). Which of the following best helps to identify a scientific explanation?
A) The explanation goes against the results of public opinion polls
B) The explanation changes according to the social status of the observer
C) We can test the explanation by comparing its predictions to measurement results
D) The explanation relies on local folklore
Answer: C
Difficulty: 1 Easy
Topic: The Scientific Enterprise
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
2) The main reason that physics is perceived to be difficult is because people think that
A) all of its concepts seem incompatible with our everyday experience.
B) it frequently changes its explanations of common occurrences.
C) the laws of physics are often shown to be wrong.
D) math is required to understand its ideas.
Answer: D
Difficulty: 2 Medium
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Conceptual
Accessibility: Keyboard Navigation
3) The metric system of units is based on which number?
A) 2
B) 8
C) 10
D) 16
Answer: C
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
4) Which of the following is a correct metric unit for volume?
A) Smidgens
B) Drops
C) Microns
D) Liters
Answer: D
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
5) A new system of units is invented where the basic unit of length is the "dak." The "dak" is defined as equal to 2 inches, and there are 2.54 centimeters in an inch. How many "daks" are there in a centimeter?
A) 4
B) 0.197
C) 2
D) 0.254
Answer: B
Difficulty: 2 Medium
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Numerical
Accessibility: Keyboard Navigation
6) Suppose that, as it evaporates in the upper atmosphere, a raindrop's diameter changes from one millimeter to one micrometer. Its diameter has decreased by a factor of
A) 10, i.e., it is one tenth of the initial size.
B) 100, i.e., it is one hundredth of the initial size.
C) 1,000 (or, 103), i.e., it is one thousandth of the initial size.
D) 1,000,000 (or, 106), i.e., it is one millionth of the initial size.
Answer: C
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Definition
Accessibility: Keyboard Navigation
7) Your new weed-cutter requires, as fuel, a gas-to-oil mixture of 20-to-1 (20 parts of gas mixed with one part of oil). You have 1/2 of a gallon of gas. How much oil, in gallons, should you add to make it all into fuel for the weed-cutter?
A) 2
B) 1/2
C) 1/20
D) 1/40
Answer: D
Difficulty: 2 Medium
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Numerical
Accessibility: Keyboard Navigation
8) Students often fail to include units with their answers. Science teachers say that units are important. In which one of the following situations would you insist that units be included?
A) Your brother asks if you would like a large soda for lunch
B) A friend offers you two per mile to help pay for gas on a trip
C) Your manager says you can take a break when the project you are working on is halfway finished
D) A police officer says you did not stop at a red light
Answer: B
Difficulty: 1 Easy
Topic: The Role of Measurement and Mathematics in Physics
Chapter: 01 Physics, the Fundamental Science
Type: Conceptual
Accessibility: Keyboard Navigation
9) In which of these relations will S double if T is doubled?
A) S = 10T
B) T = 1/S
C) T = S*S