Class 10th. Human eye.

[@jamalnasar9779]

Very good explanation 🎉🎉🎉🎉🎉

[@zishanalam9254]

Good explanation sir😊

[@SudduKhan-y3k]

Good explain sir

[@mairahkhan909]

Thanks you sir

[@ayushnandan3142]

Thanks sir ❤

[@SudduKhan-y3k]

Thank

[@thesehattalks]

Improve your voice quality like use microphone or lapel mic best of luck

[@NasarAcademy1]

Yeah but I hv already used and if still it is happening ,I will arrange new one

[@SonaKhan-i3o]

Hallo sir