gases only
solids only
liquids only
solids, liquids and gases
D.
solids, liquids and gases
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.State True or false:
Sound cannot travel in vacuum.
State True or False:
If the amplitude of vibration is large, sound is feeble.
Voice of which of the following is likely to have minimum frequency:
Baby girl
Baby boy
A man
A woman