Class 10th physics chapter number 1

Maine is video mein class 10th ke physics ka chapter number 1 Prakash ka paraavartan padhaayaa hai jismein maine bataya ki Kiran Punj kitne prakar ka hota Hai Kiran Punj kya hota hai aur padarth kya hota hai Pravasi apardarshi aur pardarshi padarth ke bare mein Maine bataya hai