Question

Nancy visits a zoo and records the voices of a
few animals. From these recordings, she
generates some plots representing sound
waves as shown below. Which of the following
points can we infer from these plots?
Tune A
Tune B
Tune C
Tune D​

Answer 1

Answer:

Tune C will be the Answer

Answer 2

The correct answer is option (c) Tune C and tune D have the same loudness.

Explanation:

• The point which we can infer from this plot is that the Tune C and D have the same loudness.
• In simple words, we can say that the loudness refers to the subjective perception of sound pressure.
• Here, the plot shows that the loudness of Tune C and D is same.
• Hence, the correct answer is option (c).

This question is Incomplete, the complete question will be:

Q- Nancy visits a zoo and records the voices of a few animals. From these recordings, she generates some plots representing sound waves as shown below. Which of the following points can we infer from these plots?

a. Tune A and tune D have the same pitch.

b. Tune A and tune C have the same loudness.

c. Tune C and tune D have the same loudness.

d. Tune B and tune C have the same pitch.