Chapterg1: MEASUREMENT 1
, Chapterg1: MEASUREMENT
1. ThegSIgstandardgofgtimegisgbasedgon:
A. thegdailygrotationgofgthegearth
B. thegfrequencygofglightgemittedgbygKr86
C. thegyearlygrevolutiongofgthegearthgaboutgthegsun
D. agprecisiongpendulumgclock
E. nonegofgthes
egAns:g E
2. Agnanosecondgis:
A. 109gs
B. 10−9gs
C. 10−10gs
D. 10−10gs
E. 10−12
Ans:g B
3. ThegSIgstandardgofglengthgisgbasedgon:
A. thegdistancegfromgthegnorthgpolegtogthegequatorgalonggagmeridiangpassinggthroughgParis
B. wavelengthgofglightgemittedgbygHg198
C. wavelengthgofglightgemittedgbygKr86
D. agprecisiongmetergstickgingParis
E. thegspeedgofgligh
tgAns:g E
4. Ing1866,gthegU.gS.gCongressgdefinedgthegU.gS.gyardgasgexactlyg3600/3937g internationalgmet
er.gThisgwasgdonegprimarilygbecause:
A. lengthgcangbegmeasuredgmoregaccuratelygingmetersgthangingyards
B. thegmetergisgmoregstablegthangthegyard
C. thisgdefinitiongrelatesgthegcommongU.gS.glengthgunitsgtogagmoregwidelygusedgsystem
D. theregaregmoregwavelengthsgingagyardgthangingagmeter
E. thegmembersgofgthisgCongressgweregexceptionallygintelligen
tgAns:g C
5. Whichgofgthegfollowinggisgclosestgtogagyardginglength?
A. 0.01gm
B. 0.1m
C. 1gm
D. 100gm
E. 1000gm
Ans:g C
2 Chapterg1:g g MEASUREMEN
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, 6. TheregisgnogSIgbasegunitgforgareagbecause:
A. angareaghasgnogthickness;ghencegnogphysicalgstandardgcangbegbuilt
B. weglivegingagthreeg(notgagtwo)gdimensionalgworld
C. itgisgimpossiblegtogexpressgsquaregfeetgingtermsgofgmeters
D. areagcangbegexpressedgingtermsgofgsquaregmeters
E. areagisgnotgangimportantgphysicalgquantit
ygAns:g D
7. ThegSIgbasegunitgforgmassgis:
A. gram
B. pound
C. kilogram
D. ounce
E. kilopound
gAns:g C
8. Ag gramg is:
A. 10−6g kg
B. 10−3g kg
C. 1g kg
D. 103gkg
E. 106gkg
Ans:g B
9. Whichgofgthegfollowinggweighsgaboutgagpound?
A. 0.05gkg
B. 0.5gkg
C. 5g kg
D. 50gkg
E. 500gkg
Ans:g D
10. (5.0g×g104)g×g(3.0g ×g106)g =
A. 1.5g×g109
B. 1.5g ×g1010
C. 1.5g×g1011
D. 1.5g×g1012
E. 1.5g×g1013
Ans:g C
11. (5.0g×g104)g×g(3.0g×g10−6)g=
A. 1.5g×g10−3
B. 1.5g×g10−1
C. 1.5g×g101
D. 1.5g×g103
E. 1.5g×g105
Ans:g B
Chapterg1: MEASUREMENT 3
, 12. 5.0g×g105g+g3.0g×g106g=
A. 8.0g×g105
B. 8.0g×g106
C. 5.3g×g105
D. 3.5g×g105
E. 3.5g×g106
Ans:g E
13.g (7.0g×g106)/(2.0g×g10−6g)g=
A. 3.5g×g10−12
B. 3.5g×g10−6
C. 3.5
D. 3.5g×g106
E. 3.5g×g1012
Ans:g E
14. Thegnumbergofgsignificantgfiguresging0.00150gis:
A.g g 2
B.g g 3
C.g g 4
D.g g 5
E.g g 6
Ans:g B
15. Thegnumbergofgsignificantgfiguresging15.0gis:
A.g g 1
B.g g 2
C.g g 3
D.g g 4
E.g g 5
Ans:g C
16. 3.2g×g2.7g=
A. 9
B. 8
C. 8.6
D. 8.64
E. 8.640
Ans:g C
4 Chapterg1:g g MEASUREMEN
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, Chapterg1: MEASUREMENT
1. ThegSIgstandardgofgtimegisgbasedgon:
A. thegdailygrotationgofgthegearth
B. thegfrequencygofglightgemittedgbygKr86
C. thegyearlygrevolutiongofgthegearthgaboutgthegsun
D. agprecisiongpendulumgclock
E. nonegofgthes
egAns:g E
2. Agnanosecondgis:
A. 109gs
B. 10−9gs
C. 10−10gs
D. 10−10gs
E. 10−12
Ans:g B
3. ThegSIgstandardgofglengthgisgbasedgon:
A. thegdistancegfromgthegnorthgpolegtogthegequatorgalonggagmeridiangpassinggthroughgParis
B. wavelengthgofglightgemittedgbygHg198
C. wavelengthgofglightgemittedgbygKr86
D. agprecisiongmetergstickgingParis
E. thegspeedgofgligh
tgAns:g E
4. Ing1866,gthegU.gS.gCongressgdefinedgthegU.gS.gyardgasgexactlyg3600/3937g internationalgmet
er.gThisgwasgdonegprimarilygbecause:
A. lengthgcangbegmeasuredgmoregaccuratelygingmetersgthangingyards
B. thegmetergisgmoregstablegthangthegyard
C. thisgdefinitiongrelatesgthegcommongU.gS.glengthgunitsgtogagmoregwidelygusedgsystem
D. theregaregmoregwavelengthsgingagyardgthangingagmeter
E. thegmembersgofgthisgCongressgweregexceptionallygintelligen
tgAns:g C
5. Whichgofgthegfollowinggisgclosestgtogagyardginglength?
A. 0.01gm
B. 0.1m
C. 1gm
D. 100gm
E. 1000gm
Ans:g C
2 Chapterg1:g g MEASUREMEN
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, 6. TheregisgnogSIgbasegunitgforgareagbecause:
A. angareaghasgnogthickness;ghencegnogphysicalgstandardgcangbegbuilt
B. weglivegingagthreeg(notgagtwo)gdimensionalgworld
C. itgisgimpossiblegtogexpressgsquaregfeetgingtermsgofgmeters
D. areagcangbegexpressedgingtermsgofgsquaregmeters
E. areagisgnotgangimportantgphysicalgquantit
ygAns:g D
7. ThegSIgbasegunitgforgmassgis:
A. gram
B. pound
C. kilogram
D. ounce
E. kilopound
gAns:g C
8. Ag gramg is:
A. 10−6g kg
B. 10−3g kg
C. 1g kg
D. 103gkg
E. 106gkg
Ans:g B
9. Whichgofgthegfollowinggweighsgaboutgagpound?
A. 0.05gkg
B. 0.5gkg
C. 5g kg
D. 50gkg
E. 500gkg
Ans:g D
10. (5.0g×g104)g×g(3.0g ×g106)g =
A. 1.5g×g109
B. 1.5g ×g1010
C. 1.5g×g1011
D. 1.5g×g1012
E. 1.5g×g1013
Ans:g C
11. (5.0g×g104)g×g(3.0g×g10−6)g=
A. 1.5g×g10−3
B. 1.5g×g10−1
C. 1.5g×g101
D. 1.5g×g103
E. 1.5g×g105
Ans:g B
Chapterg1: MEASUREMENT 3
, 12. 5.0g×g105g+g3.0g×g106g=
A. 8.0g×g105
B. 8.0g×g106
C. 5.3g×g105
D. 3.5g×g105
E. 3.5g×g106
Ans:g E
13.g (7.0g×g106)/(2.0g×g10−6g)g=
A. 3.5g×g10−12
B. 3.5g×g10−6
C. 3.5
D. 3.5g×g106
E. 3.5g×g1012
Ans:g E
14. Thegnumbergofgsignificantgfiguresging0.00150gis:
A.g g 2
B.g g 3
C.g g 4
D.g g 5
E.g g 6
Ans:g B
15. Thegnumbergofgsignificantgfiguresging15.0gis:
A.g g 1
B.g g 2
C.g g 3
D.g g 4
E.g g 5
Ans:g C
16. 3.2g×g2.7g=
A. 9
B. 8
C. 8.6
D. 8.64
E. 8.640
Ans:g C
4 Chapterg1:g g MEASUREMEN
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