gases only
solids only
liquids only
solids, liquids and gases
D.
solids, liquids and gases
Voice of which of the following is likely to have minimum frequency:
Baby girl
Baby boy
A man
A woman
A.
Baby girl
In the following statements, tick ‘T’ against those which are true, and ‘F’ against those which are false :
A.
The number of oscillations per second of a vibrating object is called its time period.