Question

A 2m long pipe is open at both ends. What is the frequency of its 2nd overtone? (v=340m/s)

a) 42.5Hz b) 85Hz c) 220Hz d) 255 Hz

Answer 1

Answer:

Gross Character will “form-the basis of start of the hierarchy and fine character -will -form “the basis of further steps of single the hierarchy.

Example:

Presence of vertebral column in human beings can be taken under vertebrata.

Presence of four limbs makes them members of Tetrapoda.

Presence of mammary glands keeps them under mammalia.