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Question no 1:

 

Q.1 repeating the measurement several times and taking an average can reduce the effect of

A) random error
B) systematic error
C) none
D) both

Question no 2:

 

Q.2 The dimension formula for velocity is

A) MLT^4
B) M-1T
C) MLT^-2
D) M^0LT^-2

Question no 3:

 

Q.3 the dimension of tension is

A) T
B) MLT
C) M/T
D) ML/T^2

Question no 4:

 

Q.4 which of the following is a unit of pressure

A) kg m^-1 s^-1
B) kg m^-1 s
C) kg m s
D) kg m^-1 s^-2

Question no 5:

 

Q.5 the dimension of work is=

A) ML^2T^-2
B) M^2LT^-3
C) MLT^-2
D) ML^2T^-2

Question no 6:

 

Q.6 which of the following is not an SI unit of measure

A) erg
B) second
C) watt
D) newton

Question no 7:

 

Q.7 supplementary units are

A) mole and radian
B) kg and moles
C) radian and steradians
D) radian and kg

Question no 8:

 

Q.8 which of the following physical quantities is represented by dimensions M^-1 L^3 T^-2

A) young module
B) planks constant
C) gravitational constant G
D) coulombs constant

Question no 9:

 

Q.9 no body begins to move or come to at rest to itself. it is the statement of

A) Newton
B) Galileo
C) Einstein
D) Abn-sina

Question no 10:

 

Q.10 the dimension of density is

A) ML^3
B) ML^-1
C) ML^-3
D) MLT

Question no 11:

 

Q.11 one micrometer is equal to

A) 10e-9
B) 10e-6m
C) 10e5
D) 10e-3

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