If a sound wave is travelling and snap shot at t = 0 is as shown in figure. Choose snapshot of pressure variation.

Options

• Option A

  For wave travelling towards right or left (i) is correct.

• Option B

  For wave travelling towards right graph (iv) and for wave travelling towards left graph (iv) is correct.

• Option C

  For wave travelling towards right graph (i) and for wave travelling towards left graph (iii) is correct.

• Option D

  For wave travelling towards right or left (ii) is correct.