Question 1

The SI unit for mass is

Accepted Answer

A)  "$\mu$g" 
B)  "mg" 
C)  "g" 
D)  "kg" 
E)  "lb" 
A)  "$\mu$g" 
B)  "mg" 
C)  "g" 
D)  "kg" 
E)  "lb" D

Question 2

When writing a number, all zeros to the right of the decimal point are significant figures,

Accepted Answer

A) True 
 B)False  False

Question 3

The size of a proton is of the order of 10-15 m and the size of the visible universe is of the order of 1026 m. From this information you can conclude that

Accepted Answer

A)  the size of the universe is 26 orders of magnitude greater than that of the proton. 
B)  the size of the universe is 41 orders of magnitude greater than that of the proton. 
C)  the size of the proton is 11 orders of magnitude greater than that of the universe. 
D)  the size of the universe is 15 orders of magnitude greater than that of the proton. 
E)  the size of the proton is 15 orders of magnitude greater than that of the universe. 
A)  the size of the universe is 26 orders of magnitude greater than that of the proton. 
B)  the size of the universe is 41 orders of magnitude greater than that of the proton. 
C)  the size of the proton is 11 orders of magnitude greater than that of the universe. 
D)  the size of the universe is 15 orders of magnitude greater than that of the proton. 
E)  the size of the proton is 15 orders of magnitude greater than that of the universe. B

Question 4

The prefix "centi" means

Accepted Answer

A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  10-2. 
E)  10-1. 
A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  10-2. 
E)  10-1.

Question 5

What is the order of magnitude of Earth's tallest mountain heights?

Accepted Answer

A)  108 m 
B)  104 m 
C)  106 m 
D)  103 m 
E)  105 m 
A)  108 m 
B)  104 m 
C)  106 m 
D)  103 m 
E)  105 m

Question 6

The measurement 23.0040 has _____ significant figures.

Accepted Answer

A)  six 
B)  three 
C)  five 
D)  four 
E)  two 
A)  six 
B)  three 
C)  five 
D)  four 
E)  two

Question 7

The number of seconds in a month is of the order of

Accepted Answer

A)  103. 
B)  108. 
C)  105. 
D)  1010. 
E)  106. 
A)  103. 
B)  108. 
C)  105. 
D)  1010. 
E)  106.

Question 8

A person inhales about 1 L of air per breathe. Estimate the number of air molecules inhaled.

Accepted Answer

A)  1010. 
B)  1014. 
C)  1018. 
D)  1022. 
E)  1026. 
A)  1010. 
B)  1014. 
C)  1018. 
D)  1022. 
E)  1026.

Question 9

If x and t represent position and time, respectively, the B in x = A cos Bt) must

Accepted Answer

A)  have the dimensions ML/T 2. 
B)  have the dimensions   . 
C)  have the dimensions L/T 2. 
D)  have the dimensions L2/T 2. 
E)  be dimensionless. 
A)  have the dimensions ML/T 2. 
B)  have the dimensions   . 
C)  have the dimensions L/T 2. 
D)  have the dimensions L2/T 2. 
E)  be dimensionless.

Question 10

The prefix "nano" means

Accepted Answer

A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  10-2. 
E)  None of these is correct. 
A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  10-2. 
E)  None of these is correct.

Question 11

You are traveling at a speed of 80 km/h. Your speed in mph is approximately

Accepted Answer

A)  30. 
B)  40. 
C)  50. 
D)  60. 
E)  70. 
A)  30. 
B)  40. 
C)  50. 
D)  60. 
E)  70.

Question 12

Which of the following represents a value of current measured to at least five significant figures?

Accepted Answer

A)  2.375 * 104 A 
B)  0.00347 A 
C)  3.0* 105 A 
D)  23.75 * 101 A 
E)  50.300 A 
A)  2.375 * 104 A 
B)  0.00347 A 
C)  3.0* 105 A 
D)  23.75 * 101 A 
E)  50.300 A

Question 13

The prefix "kilo" means

Accepted Answer

A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  103. 
E)  101. 
A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  103. 
E)  101.

Question 14

The dimensions of two quantities MUST be identical if you are either __________ or __________ the quantities.

Accepted Answer

A)  adding; multiplying 
B)  subtracting; dividing 
C)  multiplying; dividing 
D)  adding; subtracting 
E)  All of these are correct 
A)  adding; multiplying 
B)  subtracting; dividing 
C)  multiplying; dividing 
D)  adding; subtracting 
E)  All of these are correct

Question 15

Which of the following prefixes does NOT represent a fractional part of a whole unit?

Accepted Answer

A)  nano 
B)  micro 
C)  kilo 
D)  milli 
E)  deci 
A)  nano 
B)  micro 
C)  kilo 
D)  milli 
E)  deci

Question 16

The prefix "milli" means

Accepted Answer

A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  10-2. 
E)  10-1. 
A)  10-12. 
B)  10-6.  
C)  10-3.  
D)  10-2. 
E)  10-1.

Question 17

The dimensions of mass density are

Accepted Answer

A)  MLT -1.  
B)  ML3.  
C)  ML2. 
D)  ML-1.  
E)  None of these are correct. 
A)  MLT -1.  
B)  ML3.  
C)  ML2. 
D)  ML-1.  
E)  None of these are correct.

Question 18

To convert a quantity from g/cm3 to kg/m3, you must

Accepted Answer

A)  multiply by 0.01. 
B)  multiply by 100. 
C)  multiply by 1000. 
D)  multiply by 0.001. 
E)  multiply by 1,000,000. 
A)  multiply by 0.01. 
B)  multiply by 100. 
C)  multiply by 1000. 
D)  multiply by 0.001. 
E)  multiply by 1,000,000.

Question 19

In doing a calculation, you end up with a fraction having m/s in the numerator and m/s2 in the denominator. The result will have units of

Accepted Answer

A)  m2/s3.  
B)  s-1.  
C)  s3/m2. 
D)  s. 
E)  m/s. 
A)  m2/s3.  
B)  s-1.  
C)  s3/m2. 
D)  s. 
E)  m/s.

Question 20

The longest bridge on Earth is of the order of

Accepted Answer

A)  103  m. 
B)  104  m. 
C)  105  m. 
D)  106  m. 
E)  107 m. 
A)  103  m. 
B)  104  m. 
C)  105  m. 
D)  106  m. 
E)  107 m.

Exam 1: Introduction to Physics

The SI unit for mass is

When writing a number, all zeros to the right of the decimal point are significant figures,

The size of a proton is of the order of 10-15 m and the size of the visible universe is of the order of 1026 m. From this information you can conclude that

The prefix "centi" means

What is the order of magnitude of Earth's tallest mountain heights?

The measurement 23.0040 has _____ significant figures.

The number of seconds in a month is of the order of

A person inhales about 1 L of air per breathe. Estimate the number of air molecules inhaled.

If x and t represent position and time, respectively, the B in x = A cos Bt) must

The prefix "nano" means

You are traveling at a speed of 80 km/h. Your speed in mph is approximately

Which of the following represents a value of current measured to at least five significant figures?

The prefix "kilo" means

The dimensions of two quantities MUST be identical if you are either __________ or __________ the quantities.

Which of the following prefixes does NOT represent a fractional part of a whole unit?

The prefix "milli" means

The dimensions of mass density are

To convert a quantity from g/cm3 to kg/m3, you must

In doing a calculation, you end up with a fraction having m/s in the numerator and m/s2 in the denominator. The result will have units of

The longest bridge on Earth is of the order of

Linear Motion

Motion in Two and Three Dimensions

Forces and Motion I: Newtons Laws

Forces and Motion II: Applications

Work and Energy

Momentum, Collisions, and the Center of Mass

Rotational Motion

Elastic Properties of Matter: Stress and Strain

Gravitation

Fluids

Oscillations

Waves

Thermodynamics I

Thermodynamics II

Electrostatics I: Electric Charge, Forces, and Fields

Electrostatics II: Electric Potential Energy and Electric Potential

Electric Charges in Motion

Magnetism

Electromagnetic Induction

Alternating-Current Circuits

Electromagnetic Waves

Wave Properties of Light

Geometrical Optics

Relativity

Quantum Physics and Atomic Structure

Nuclear Physics

Particle Physics

Filters

The size of a proton is of the order of 10^-15 m and the size of the visible universe is of the order of 10²⁶ m. From this information you can conclude that

The dimensions of two quantities MUST be identical if you are either or the quantities.

To convert a quantity from g/cm³ to kg/m³, you must

In doing a calculation, you end up with a fraction having m/s in the numerator and m/s² in the denominator. The result will have units of