36.Which of the following is correct about compressions in sound wave? [A] compressions are regions of low pressure and low density [B] compressions are regions of high pressure and low density [C] compressions are regions of high pressure and high density [D] compressions are regions of low pressure and high density Show Answer
a is the right answer..A compression is a region in a longitudinal wave where the particles are closest together creating both density and pressure high. Hence, 1 is the correct answer.
c is right
