Explain this statement clearly :
"To call a dimensional quantity 'large' or 'small' is meaningless without specifying a standard for comparison". In view of this, reframe the following statements wherever necessary:
(a) atoms are very small objects
(b) a jet plane moves with great speed
(c) the mass of jupiter is very large
(d) the air inside this room contains a large number of molecules
(e) a proton is much more massive than an electron
(f) the speed of sound is much smaller than the speed of light.

Explanation

(a) Compared to size of tip of pin, atoms are very small.
(b) Speed of jet plane is much more than a speed of superfast train.
(c) Mass of jupiter is very large compared to mass of the earth.
(d) No. of molecules in air contained in room is very large compared to no. of molecules in one mole air.
(e) This statement is correct.
(f)This statement is correct