MCQOPTIONS
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| 1. |
The diagram shows the positions of the air particles due to propagation of sound, represented by straight lines, at a particular instant from P to Q. Which of the following statements correctly depicts the pressure variation with respect to distance? |
| A. | The lines which are closed to one another represent rarefaction which is a low pressure region. |
| B. | The lines which are far apart from one another represent compression which is a low pressure region. |
| C. | The lines which are far apart from one another represent rarefaction which is high pressure region. |
| D. | The lines which are closed to one another represent compression which is a high pressure region. |
| Answer» E. | |