Sound wave represented as a displacement wave travels in positive x – direction & y – axis represents particle’s displacement. Match list I with list II

COLUMN – I		COLUMN – II
A	1	P	Velocity is along +x axis
B	2	Q	Velocity is along – x axis
C	3	R	Velocity is zero
D	4	S	Acceleration is zero

• A

  A– P,S B– P,S C–R D– Q,S

• B

  A–R B– Q,S C–R D– Q,S

• C

  A– R B– P,S C–R D– P,S

• D

  A– R B– P,S C–R D– Q,S