Physics| A/L 2021| Oscillations & waves| Structured essay problem| Complete discussion in Sinhala

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Hello, I'm Sandaruwan. Welcome to my YouTube channel "ganithayaa" In this video, I'm discussing the structured essay problem in the 2021 A/L paper on the lesson Oscillations & Waves for G.C.E advanced level students in Sinhala.

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thank you sir thawa practical videos danna👌

dewminithilakawardhana
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Thank you sir☺️thw dann API okkm balanw

Dhaeethi