What is the effect of pressure on the speed of sound?

Question

What is the effect of pressure on the speed of sound? — Exam MCQ

rrbjepyq.in · Accepted Answer

C. Speed is not affected by pressure — For an ideal gas at fixed temperature and composition, sound speed is independent of pressure.

rrbjepyq.in · Answer

A. Speed increases as pressure increases

rrbjepyq.in · Answer

B. Speed decreases as pressure increases

rrbjepyq.in · Answer

D. Speed first increases and then decreases with increasing pressure