| 1 |
Finding the graphical representation between the incident angle and the refraction angle of sound |
2023-04-14 |
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| 2 |
Drawing the path of sound waves when they transmitted through the media which different in acoustic impedance/تجربة 7 |
2023-04-14 |
|
| 3 |
The intensity of ultrasound waves |
2023-04-14 |
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