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Physical quantities and dimensional equation

Total questions: 10

Worksheet time: 20mins

Name
Class
Date
1.

 M0LT2M^0LT^{-2}  IS THE DIMENTIONAL FORMULA OF

a)

velocity

b)

work

c)

force

d)

acceleration

2.

 MLT2+MLT1MLT^{-2}+MLT^{-1}  THE RESULT OF THIS SUM. IS:

a)

 2MLT22MLT^{-2}  

b)

 M2L2T3M^2L^2T^{-3}  

c)

 MLT2MLT^{-2}  

d)

can not be added

3.

 if x=LT1 and y=MLT1 if\ x=LT^{-1}\ and\ y=MLT^{-1}\   thus xy dimentions is :

a)

 ML2T2ML^2T^{-2}  

b)

 MLT2MLT^{-2}  

c)

 MLT1MLT^{-1}  

d)

 MLTMLT  

4.

the metric unit for temperature is :

a)

C

b)

F

c)

K

d)

degree

5.

the unit of mass in franch system of units is:

a)

pound

b)

kg

c)

ounce

d)

g

6.

if work calculated by  ( w = mad)  what is the dimensional formula of work:

m= mass , a = acceleration , d= distance

a)

 M0LT1M^0LT^{-1}  

b)

 ML2T1ML^2T^{-1}  

c)

 ML2T2ML^2T^{-2}  

d)

 M0L2T2M^0L^2T^{-2}  

7.

the suitable tool to measure the duration of aircraft flight

a)

clock

b)

digital clock

c)

stopwatch

d)

cesium atomic clock

8.



 0.02μs is equivlant to ................ks0.02\mu s\ is\ equivlant\ to\ ................ks  

a)

 2×10122\times10^{-12}  

b)

 20×101120\times10^{-11}  

c)

 2×10112\times10^{-11}  

d)

 2×10102\times10^{-10}  

9.

1000 Gm equivalent to ............... nm

a)

102210^{22}

b)

102010^{20}

c)

102110^{21}

d)

101810^{18}

10.

 2 m3 = ............ cm32\ m^{3\ }=\ ............\ cm^3  

a)

 2Mcm32Mcm^3  

b)

 2Gcm32Gcm^3  

c)

 2 cm32\ cm^3  

d)

 2 ml32\ ml^3