Unit and Measurements 1 MCQ

physics- Units and Measurements

 ( in sinhala  -  https://physics-with-sampath.blogspot.com/p/sinhala.html)

01). SI unit for mass is

a)     Newton

b)   grams

c)      Stones

d)     Kilogram

02). 10³ mm  is equal to

a)     1 meter     

b)     100  micron     

c)      1angstrom unit 

d)     1 mm

03). candela is the unit of

a)                 Magnetic flux  

b)                 Intensity of electric field   

c)                  Luminous intensity 

d)                 Charge

04).Which of the following is a derived unit ?

a)                 ampere    

b)                 mole   

c)                  candela   

d)                 newton

05). Which of the following is a physical quantity?

a)              kelvin               

b)              candela           

c)               henry     

d)              all the above

(06)        Which pair of units contains one derived unit and one SI base unit?

a)             ampere                coulomb

b)             kilogram               kelvin

c)             metre                   second

d)             newton                pascal

(07)        Which of these units is the same as the newton?

a) kg m s–1

b) kg m s–2

c) kg m2 s–2

d) kg m2 s–3

                                         

(08) The dimensional formula ML² T^-2 represents

a)    the moment of a force
b)    acceleration
c)    force
d)    momentum
e)    power

(09)Which of the following pairs of physical quantities have identical dimensions?

             a)   Moment of a force and Angular Momentum
      b)   work and Energy
      c)    Torque and Energy
      d)    Displacement and speed
      e)    Non of the above

(10)Which of the following prefix is correct about multiple of  10^-6 

             a)   mili 
      b)  Nano
      c)   Pico
      d)    Micro 
      e)    Non of the above