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i8t is about the waves ,the kind of waves and ,transvers -longetudinal-mechanical-electromagnatic wave examples of wave ,water -light waves-and about reflectrion and refraction and defraction of waves
Viewed 785 times - Created inside Science. i8t is about the waves ,the kind of waves and ,transvers -longetudinal-mechanical-electromagnatic wave examples of wave ,water -light waves-and about reflectrion and refraction and defraction of waves
Viewed 775 times - Created inside Science. |
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