दाब का मात्रक है ? - What is the unit of pressure? - Daab Ka Matrak Hai ? General Science in hindi, Physics Dine question answers in hindi pdf Arg questions in hindi, Know About Pascal General Science online test General Science notes in hindi quiz book Jule
paskal anwser hain iska
N/m2
Fedo metre ka upyog kis mapne ke liye Kiya jata hai
Iska Sahi d hai