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অনুদৈৰ্ঘ্যিক তৰংগ (Longitudinal wave) বোলে। ভূমিকম্পৰ দ্বিতীয় বিধ তৰংগৰ নাম 'S' তৰংগ নাইবা অনুপ্ৰাস্থিক তৰংগ (Transverse wave)। এইবিধ তৰংগৰ কঁপনি ইয়াৰ গতি
ক্লাউছ হেচেলমান
2021. Hasselmann, K. (1966). "Feynman diagrams and interaction rules of wave-wave scattering processes". Reviews of Geophysics (American Geophysical Union
India's New Wave Producer Guneet Monga 2:00 AM PDT". The Hollywood Reporter. 22 May 2013. http://www.hollywoodreporter.com/news/cannes-indias-new-wave-producer-524945।
"Celebrating Cinema: 5 Reasons You Should Know About this Pioneer of New Wave – The Penguin Digest". penguin.co.in. https://penguin.co
p. 4, ISBN 9780819460936, http://books.google.com/?id=6mb0C0cFCEYC&pg=PA4 Narinder Kumar (2008), Comprehensive Physics XII, Laxmi Publications, p. 1416