11 std Physics|volume 2|lesson 8|heat and thermodynamics |englishmedium|book back short answer only

11 std Physics|volume 2|lesson 8|heat and thermodynamics |english medium|book back answer|short answer only| #hightech #tnsamacheerkalvi #physics #class11 #volume2 #heatandthermodynamics #bookbackanswer #englishmedium #lesson8