Velocity of pressure waves due to pressure disturbances imposed in a fluid is equal to {E is bulk modulus and p is density}A.\(\sqrt {\frac{E}{p}}\)B. \(\sqrt {Ep}\)C.\(\sqrt {p/E}\)D. \(\sqrt {1/pE}\)

• A. Only A
• B. Only B
• C. Only C
• D. Only D