An object is said to be large or small when it is compared by the some other standard object of the same type. For example, the size of a ship is very large as compared to the size of a bicycle. The comparison of following statement in their reframe is:
(a). Atoms are very small in comparison to a tennis ball.
(b) A jet plane moves with great speed in comparison to the bicycle.
(c) The mass of Jupiter is very large in comparison to the mass of a bob of a simple pendulum.
(d) The air inside the room contains a larger number of molecules in comparison to the number of molecules in a small box.
(e) a proton is much more massive than an electron in comparison to the difference in the mass of a basketball and baseball.
(f) the speed of sound is much smaller than the speed of light in comparison to the difference between the speeds of a bicycle and that speed of a car.