किसी पिण्ड के द्रव्यमान तथा भार में अन्तर होता है , क्योंकि . . . . - There is a difference between mass and weight of a body, because . , , , - Kisi Pind Ke Dravyamaan Tatha Bhar Me Antar Hota Hai , Kyonki . . . . General Science in hindi, Physics Dravyamaan Sthir Rehta Hai , Jabki Bhar Parivartaneey Hota Hai question answers in hindi pdf Dono Satya Hai questions in hindi, Know About Dravyamaan Parivartaneey Hota Hai , Jabki Bhar Sthir Rehta Hai General Science online test General Science notes in hindi quiz book Dono Galat Hai