General Science Vastoo Ke Veg Tatha Usi Madhyam Me Aivam unhi Conditions Me Dhwani Ke Veg Ke Andar Ko Kehte Hain ?

वस्तु के वेग तथा उसी माध्यम में एवं उन्ही परिस्थितियों में ध्वनि के वेग के अन्तर को कहते हैं ? - The difference between the velocity of an object and the velocity of sound in the same medium and under the same conditions is called? - Vastoo Ke Veg Tatha Usi Madhyam Me Aivam unhi Conditions Me Dhwani Ke Veg Ke Andar Ko Kehte Hain ? General Science in hindi,  Physics Laplaus Sankhya question answers in hindi pdf  Octane Sankhya questions in hindi, Know About Sthayitv Sankhya General Science online test General Science notes in hindi quiz book    Maik Sankhya