Question

শব্দৰ উৎস এটাৰ কম্পনাংক 100 hz। ই এক মিনিটত কিমানটা কম্পন সম্পুৰ্ণ কৰিব​

Answer 1

Answer❣

Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.

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