question_answer

There are two bottles of glass, one bottle is two third filled with water and another bottle is filled one third with water. When we blow across the mouth of each bottle, then

(i)   The bottle with the less air in it gives the note of higher pitch

(ii) The shorter the air column, the higher the pitch of the note produced.

A)  Both (i) and (ii) are correct and (ii) is the correct explanation of (i).

B)  Both (i) and (ii) are correct but (ii) is not the correct explanation of (i).

C)  Only (i) is correct.

D)  Only (ii) is correct.