Notes kaise Banae?

Iss video mein jaaniye kaise banta hai chalk..!!

Sun ki Harmful rays se kaise bachen? Or jaaniye sunscreen ke raaz..!!

Sun ki harmful rays se kaise bachen

Glass ki help se paper ko kaise jala sakte hai

Magnifying Glass se paper kaise jal jata hai? Jaaniye iss video ke zariye :D

Jaaniye kaise aap iss Hindi word ko English mein 5 tareeko se bol saktein hain..!!

Glass ki help se Paper ko kaise jala sakte hai jaaniye Doubtnut ke Sath

Iss video mein dekhein kaise kaafi insects paani pe chal paate hai..!!

The frequency of A note is 4 times that of B note. The energies of two notes are equal. The amplitude of b notes as compared to that of A note will be

#WinnersTalk - Jaaniye kaise haal hi mein Doubtnut par aye vipin ne quiz jeet kar khareedi apne liye books! :D