Grade 11Thermal Physicsplzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz solve it YASH AHUJA 8 Years agoGrade 11
Arun8 Years agoDear Yash The right one is reversible. Beachse in tgis process ww ww move from ine point to other and also re trace that. Regards Arun (askIITians forum expert)