7. Waves and optics ( doppler's effect acoustic phenomenon) class 12 physics NEB past numerical

[@madankhadka8096]

Best part of this video is you give the trick for the formula ❤️🙌🙌 thank you ❤️

[@ceewallahpraveen5046]

Hmmm thanks 😘💖 bro

[@ramtoakumari9072]

So cute Bhai 👍

[@ashishkhatri989]

Thanks

[@abipun8535]

❤❤

[@romeo601]

🎉🎉🎉🎉❤❤