1. ThegSIgstandardgofgtimegisgbasedgon:
A. thegdailygrotationgofgthegearth
B. thegfrequencygofglightgemittedgbygKr86
C. thegyearlygrevolutiongofgthegearthgaboutgthegsun
D. agprecisiongpendulumgclock
E. nonegofgthese
gAns:g E
2. Agnanosecondgis:
A. 109gs
B. 10−9gs
C. 10−10g s
D. 10−10g s
E. 10−12
Ans:g B
3. ThegSIgstandardgofglengthgisgbasedgon:
A. thegdistancegfromgthegnorthgpolegtogthegequatorgalonggagmeridiangpassinggthroughgParis
B. wavelengthgofglightgemittedgbygHg198
C. wavelengthgofglightgemittedgbygKr86
D. agprecisiongmetergstickgingParis
E. thegspeedgofglight
gAns:g E
4. Ing1866,gthegU.gS.gCongressgdefinedgthegU.gS.gyardgasgexactlyg3600/3937g internationalgmeter.g
Thisgwasgdonegprimarilygbecause:
A. lengthgcangbegmeasuredgmoregaccuratelygingmetersgthangingyards
B. thegmetergisgmoregstablegthangthegyard
C. thisgdefinitiongrelatesgthegcommongU.gS.glengthgunitsgtogagmoregwidelygusedgsystem
D. theregaregmoregwavelengthsgingagyardgthangingagmeter
E. thegmembersgofgthisgCongressgweregexceptionallygintelligentg
Ans:g C
5. Whichgofgthegfollowinggisgclosestgtogagyardginglength?
A. 0.01gm
B. 0.1mg
C. 1gm
D. 100gm
E. 1000gm
Ans:g C
Chapterg1: MEASUREMENT 1
, 6. TheregisgnogSIgbasegunitgforgareagbecause:
A. angareaghasgnogthickness;ghencegnogphysicalgstandardgcangbegbuilt
B. weglivegingagthreeg(notgagtwo)gdimensionalgworld
C. itgisgimpossiblegtogexpressgsquaregfeetgingtermsgofgmeters
D. areagcangbegexpressedgingtermsgofgsquaregmeters
E. areagisgnotgangimportantgphysicalgquantity
gAns: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. 103g kg
E. 106g kg
Ans:g B
9. Whichgofgthegfollowinggweighsgaboutgagpound?
A. 0.05gkg
B. 0.5gkg
C. 5g kg
D. 50gkg
E. 500gkg
Ans:g D
10. (5.0g ×g 104)g ×g (3.0g ×g 106)g =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 ×g 104)g ×g (3.0g ×g 10−6)g =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
2 Chapterg1: MEASUREMENT
,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. (7.0g ×g 106)/(2.0g ×g 10−6)g =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×g 2.7g =g
A. 9
B. 8
C. 8.6
D. 8.64
E. 8.640
Ans:g C
Chapterg1: MEASUREMENT 3
, 17. 1.513g+g27.3g=g
A. 29
B. 28.8
C. 28.9
D. 28.81
E. 28.813
( )Ans:g B
18. 1gmigisgequivalentgtog1609gmgsog55gmphgis:
A. 15g m/s
B. 25gm/s
C. 66gm/s
D. 88gm/s
E. 1500gm/s
gAns:g B
19. Agspheregwithgagradiusgofg1.7gcmghasgagvolumegof:
A. 2.1g×g10−5g m3
B. 9.1g×g10−4g m3
C. 3.6g×g10−3gm3
D. 0.11gm3
E. 21g m3
Ans:g A
20. Agspheregwithgagradiusgofg1.7gcmghasgagsurfacegareagof:
A. 2.1g×g10−5g m2
B. 9.1g×g10−4g m2
C. 3.6g×g10−3gm2
D. 0.11gm2
E. 36gm2
Ans:g C
21. Agrightgcirculargcylindergwithgagradiusgofg2.3gcmgandgagheightgofg1.4gmghasgagvolumegof:
A. 0.20gm3
B. 0.14gm3
C. 9.3g×g10−3gm3
D. 2.3g×g10−3gm3
E. 7.4g×g10−4g m3
Ans:g D
22. Agrightgcirculargcylindergwithgagradiusgofg2.3gcmgandgagheightgofg1.4gcmghasgagtotalgsurfacegareag
of:
A. 1.7g×g10−3g m2
B. 3.2g×g10−3gm2
C. 2.0g×g 10−3g m3
D. 5.3g×g10−3g m2
E. 7.4g×g10−3g m2
Ans:g D
4 Chapterg1: MEASUREMENT