United States
Sound - Wave Motion
| Author | : | Jayasriram (Become fan) | |||
| Total Questions | : | 25 | |||
| Total Time | : | 25 mins | |||
| Rating | : |
 
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| Keywords | |||||
| amplitude, vibration, frequency, echo etc | |||||
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Rachna Verma asks :
Subject : science
sound
20/02/2011 14:42:36 | Reply
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