Question

(i) Which is a standard unit of measurement?
(a) Angul (finger)
(b) Mutthi (fist)
(c) Step
(d) Inch

Answer 1

☯ AnSwEr :

Inch is the standard unit of measurment.

$\rule{200}{1}$

★ Additional Information :

➳ f.p.s system : It is the british engineering system of units, which uses foot as the length, pond as the unit of mass and second as the unit of time.

➳ c.g.s system : It is the Gussain system which uses centimeter, gram and second as the three basic units for length, mass and time respectively.

➳ m.k.s system : It is based on the meter, kilogram and second as the fundamental units of length, mass and time respectively.

Answer 2

An inch is a standard unit of measurement. (Option d)

• A standard unit refers to a unit of measurement which does not change from person to person and remains standard.
• An inch is equal to 2.5cm, approximately.
• An angul, mutthi, the step cannot be used as standard units because they keep varying in size, length.
• For a short person, the distance covered in one step would be less than the distance covered in one step of a taller person.