Question 1

A cubic box with an edge of exactly 1 cm has a volume of:

Accepted Answer

A) 10-9 m3 
B) 10-6 m3 
C) 10-3 m3 
D) 103 m3 
E) 106 m3 
A) 10-9 m3 
B) 10-6 m3 
C) 10-3 m3 
D) 103 m3 
E) 106 m3

Question 2

The number of significant figures in 0.00150 is:

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 3

The number of significant figures in 15.0 is:

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 4

During a short interval of time the speed v in m/s of an automobile is given by v = at2 + bt3, where the time t is in seconds.The units of a and b are respectively:

Accepted Answer

A) m*s2; m*s4 
B) s3/m; s4/m 
C) m/s2; m/s3 
D) m/s3; m/s4 
E) m/s4; m/s5 
A) m*s2; m*s4 
B) s3/m; s4/m 
C) m/s2; m/s3 
D) m/s3; m/s4 
E) m/s4; m/s5

Question 5

The SI base units have the dimensions of:

Accepted Answer

A) mass, weight, time 
B) length, density, time 
C) mass, length, time 
D) weight, length, time 
E) mass, length, speed 
A) mass, weight, time 
B) length, density, time 
C) mass, length, time 
D) weight, length, time 
E) mass, length, speed

Question 6

The unit of mass density might be:

Accepted Answer

A) pound per cubic foot 
B) gram per liter 
C) kilogram per meter 
D) cubic kilogram per meter 
E) cubic meter per kilogram 
A) pound per cubic foot 
B) gram per liter 
C) kilogram per meter 
D) cubic kilogram per meter 
E) cubic meter per kilogram

Question 7

The SI base unit for mass is:

Accepted Answer

A) gram 
B) pound 
C) kilogram 
D) ounce 
E) kilopound 
A) gram 
B) pound 
C) kilogram 
D) ounce 
E) kilopound

Question 8

(5.0 *104) *0 (3.0 *106)=

Accepted Answer

A) 1.5* 109 
B) 1.5 *1010 
C) 1.5 * 1011 
D) 1.5 * 1012 
E) 1.5 *1013 
A) 1.5* 109 
B) 1.5 *1010 
C) 1.5 * 1011 
D) 1.5 * 1012 
E) 1.5 *1013

Question 9

In 1866, the U.S.Congress defined the U.S.yard as exactly 3600/3937 international meter.This was done primarily because:

Accepted Answer

A) length can be measured more accurately in meters than in yards 
B) the meter is more stable than the yard 
C) this definition relates the common U.S.length units to a more widely used system 
D) there are more wavelengths in a yard than in a meter 
E) the members of this Congress were exceptionally intelligent 
A) length can be measured more accurately in meters than in yards 
B) the meter is more stable than the yard 
C) this definition relates the common U.S.length units to a more widely used system 
D) there are more wavelengths in a yard than in a meter 
E) the members of this Congress were exceptionally intelligent

Question 10

The SI standard of time is based on:

Accepted Answer

A) the daily rotation of the Earth 
B) the frequency of light emitted by Kr86 
C) the yearly revolution of the Earth about the sun 
D) a precision pendulum clock 
E) none of these 
A) the daily rotation of the Earth 
B) the frequency of light emitted by Kr86 
C) the yearly revolution of the Earth about the sun 
D) a precision pendulum clock 
E) none of these

Question 11

One tonne (metric ton)is 1000 kg.How many grams are there in one tonne?

Accepted Answer

A) 10-6 
B) 10-3 
C) 1 
D) 103 
E) 106 
A) 10-6 
B) 10-3 
C) 1 
D) 103 
E) 106

Question 12

There is no SI base unit for area because:

Accepted Answer

A) an area has no thickness; hence no physical standard can be built 
B) we live in a three (not a two)dimensional world 
C) it is impossible to express square feet in terms of meters 
D) area can be expressed in terms of square meters 
E) area is not an important physical quantity 
A) an area has no thickness; hence no physical standard can be built 
B) we live in a three (not a two)dimensional world 
C) it is impossible to express square feet in terms of meters 
D) area can be expressed in terms of square meters 
E) area is not an important physical quantity

Question 13

A sphere with a radius of 1.7 cm has a volume of:

Accepted Answer

A) 2.1* 10-5 m3 
B) 9.1* 10-4 m3 
C) 3.6 * 10-3 m3 
D) 0.11 m3 
E) 21 m3 
A) 2.1* 10-5 m3 
B) 9.1* 10-4 m3 
C) 3.6 * 10-3 m3 
D) 0.11 m3 
E) 21 m3

Question 14

3.2 * 2.7 =

Accepted Answer

A) 9 
B) 8 
C) 8.6 
D) 8.64 
E) 8.640 
A) 9 
B) 8 
C) 8.6 
D) 8.64 
E) 8.640

Question 15

1 m is equivalent to 3.281 ft.A cube with an edge of 1.5 ft has a volume of:

Accepted Answer

A) 1.2 * 102 m3 
B) 9.6 * 10-2 m3 
C) 10.5 m3 
D) 9.5 *10-2 m3 
E) 0.21 m3 
A) 1.2 * 102 m3 
B) 9.6 * 10-2 m3 
C) 10.5 m3 
D) 9.5 *10-2 m3 
E) 0.21 m3

Question 16

1.513 + 27.3 =

Accepted Answer

A) 29 
B) 28.8 
C) 28.9 
D) 28.81 
E) 28.813 
A) 29 
B) 28.8 
C) 28.9 
D) 28.81 
E) 28.813

Question 17

A nanosecond is:

Accepted Answer

A) 109 s 
B) 10-9 s 
C) 10-6 s 
D) 10-15 s 
E) 10-12 s 
A) 109 s 
B) 10-9 s 
C) 10-6 s 
D) 10-15 s 
E) 10-12 s

Exam 1: Measurement

A cubic box with an edge of exactly 1 cm has a volume of:

The number of significant figures in 0.00150 is:

The number of significant figures in 15.0 is:

During a short interval of time the speed v in m/s of an automobile is given by v = at2 + bt3, where the time t is in seconds.The units of a and b are respectively:

The SI base units have the dimensions of:

The unit of mass density might be:

The SI base unit for mass is:

(5.0 *104) *0 (3.0 *106)=

In 1866, the U.S.Congress defined the U.S.yard as exactly 3600/3937 international meter.This was done primarily because:

The SI standard of time is based on:

One tonne (metric ton)is 1000 kg.How many grams are there in one tonne?

There is no SI base unit for area because:

A sphere with a radius of 1.7 cm has a volume of:

3.2 * 2.7 =

1 m is equivalent to 3.281 ft.A cube with an edge of 1.5 ft has a volume of:

1.513 + 27.3 =

A nanosecond is:

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During a short interval of time the speed v in m/s of an automobile is given by v = at² + bt³, where the time t is in seconds.The units of a and b are respectively:

(5.0 10⁴⁾ 0 (3.0 *10⁶)=