Question 1

Which of the following is closest to a yard in length?

Accepted Answer

A)   0.01 m
B)   0.1 m
C)   1 m
D)   100 m
E)   1000 mF) A) and B)
G) C) and D)

Question 2

A gram is:

Accepted Answer

A)   10-6 kg
B)   10-3 kg
C)   1 kg
D)   103 kg
E)   106 kgF) A) and E)
G) B) and D)

Question 3

The number of significant figures in 0.00150 is:

Accepted Answer

A)   2
B)   3
C)   4
D)   5
E)   6F) B) and E)
G) A) and B)

Question 4

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 quantityF) A) and E)
G) All of the above

Question 5

A sphere with a radius of 1.7 cm has a surface area of:

Accepted Answer

A)   2.1 * 10-5 m2
B)   9.1 *10-4 m2
C)   3.6 *10-3 m2
D)   0.11 m2
E)   36 m2F) B) and E)
G) C) and E)

Question 6

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)   106F) D) and E)
G) B) and D)

Question 7

The SI standard of length is based on:

Accepted Answer

A)   the distance from the north pole to the equator along a meridian passing through Paris
B)   wavelength of light emitted by Hg198
C)   wavelength of light emitted by Kr86
D)   a precision meter stick in Paris
E)   the speed of lightF) A) and C)
G) B) and D)

Question 8

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 m3F) C) and D)
G) B) and D)

Question 9

Two girders are made of the same material. Girder A is twice as long as girder B and has a cross-sectional area that is twice as great. The ratio of the mass density of girder A to the mass density of girder B is:

Accepted Answer

A)   4
B)   2
C)   1
D)   1/2
E)   1/4F) C) and D)
G) None of the above

Question 10

The number of significant figures in 15.0 is:

Accepted Answer

A)   1
B)   2
C)   3
D)   4
E)   5F) D) and E)
G) A) and B)

Question 11

The SI base unit for mass is:

Accepted Answer

A)   gram
B)   pound
C)   kilogram
D)   ounce
E)   kilopoundF) A) and B)
G) A) and C) C

Question 12

Metric time is defined so that one day equals 10 hours; one hour equals 100 minutes; and one minute equals 100 seconds. One metric second equals how many normal seconds?

Accepted Answer

A)   0.60
B)   0.864
C)   1.00
D)   1.16
E)   1.67F) A) and D)
G) A) and E)

Question 13

(7.0 *106) /(2.0 *10-6)  =

Accepted Answer

A)   3.5* 10-12
B)   3.5 * 10-6
C)   3.5
D)   3.5 * 106
E)   3.5 *1012F) A) and D)
G) A) and E)

Question 14

1 mi is equivalent to 1609 m so 55 mph is:

Accepted Answer

A)   15 m/s
B)   25 m/s
C)   81 m/s
D)   123 m/s
E)   1500 m/sF) None of the above
G) D) and E)

Question 15

3.2* 2.7 =

Accepted Answer

A)   9
B)   8
C)   8.6
D)   8.64
E)   8.640F) D) and E)
G) B) and C) C

Question 16

Which of the SI standard units is NOT based on a constant of nature?

Accepted Answer

A)   The meter, because the speed of light can vary from place to place.
B)   The second, because cesium cannot be found everywhere.
C)   The kilogram, because it is based on an arbitrary piece of metal.
D)   The kilogram, because the gram is the standard unit.
E)   The meter, because it is defined in terms of the speed of light in vacuum, and there is no perfect vacuum anywhere.F) B) and E)
G) B) and D)

Question 17

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 m has a volume of:

Accepted Answer

A)   23 m3
B)   0.23 m3
C)   9.3 * 10-3 m3
D)   2.3 * 10-3 m3
E)   7.4 * 10-4 m3F) C) and D)
G) B) and C)

Question 18

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 m3F) All of the above
G) A) and B)

Question 19

Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T-1, and C has dimensions LT2. Then the exponents n and m have the values:

Accepted Answer

A)   2/3; 1/3
B)   2; 3
C)   4/5; -1/5
D)   1/5; 3/5
E)   1/2; 1/2F) A) and D)
G) A) and C) D

Question 20

(5.0 *104)  * (3.0*10-6)  =

Accepted Answer

A)   1.5 *10-3
B)   1.5 * 10-1
C)   1.5* 101
D)   1.5 * 103
E)   1.5 *105F) B) and E)
G) C) and D)

Exam 1: Measurement

Which of the following is closest to a yard in length?

Correct AnswerverifiedShow Answer

A gram is:

Correct AnswerverifiedShow Answer

The number of significant figures in 0.00150 is:

Correct AnswerverifiedShow Answer

There is no SI base unit for area because:

Correct AnswerverifiedShow Answer

A sphere with a radius of 1.7 cm has a surface area of:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The SI standard of length is based on:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Two girders are made of the same material. Girder A is twice as long as girder B and has a cross-sectional area that is twice as great. The ratio of the mass density of girder A to the mass density of girder B is:

Correct AnswerverifiedShow Answer

The number of significant figures in 15.0 is:

Correct AnswerverifiedShow Answer

The SI base unit for mass is:

Correct AnswerverifiedC

Metric time is defined so that one day equals 10 hours; one hour equals 100 minutes; and one minute equals 100 seconds. One metric second equals how many normal seconds?

Correct AnswerverifiedShow Answer

(7.0 *106) /(2.0 *10-6) =

Correct AnswerverifiedShow Answer

1 mi is equivalent to 1609 m so 55 mph is:

Correct AnswerverifiedShow Answer

3.2* 2.7 =

Correct AnswerverifiedC

Which of the SI standard units is NOT based on a constant of nature?

Correct AnswerverifiedShow Answer

A right circular cylinder with a radius of 2.3 cm and a height of 1.4 m has a volume of:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Suppose A = BnCm, where A has dimensions LT, B has dimensions L2T-1, and C has dimensions LT2. Then the exponents n and m have the values:

Correct AnswerverifiedD

(5.0 *104) * (3.0*10-6) =

Correct AnswerverifiedShow Answer

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C

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(7.0 10⁶) /(2.0 10^-6) =

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C

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Suppose A = BⁿC^m, where A has dimensions LT, B has dimensions L²T^-1, and C has dimensions LT². Then the exponents n and m have the values:

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D

(5.0 10⁴⁾ (3.0*10^-6) =

Correct Answer
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