The change in speed of sound in a gas is independent of change is

The velocity of sound in a gas is independent of

The velocity of sound in air is independent of changes is

The velocity of sound in gas is independent of

The speed of sound in air is independent from its

The speed of sound in air is independent from its

(A): Speed of sound in a gas is independent of changes in pressure of the medium at a given temperature. (R): A change in pressure of a gas is always accompanied by a change in density so that their ratio is always constant at a given temperature.

(A): Speed of sound in a gas is independent of changes in pressure of the medium at a given temperature. (R): A change in pressure of a gas is always accompanied by a change in density so that their ratio is always constant at a given temperature.

Consider the following statements: 1. Mean in independent of change in scale and change in origin. 2. Variance is independent of change in scale but not in origin. Which of the above statements is/are correct?