CLASS XII//WAVES IN PIPES AND STRINGS//NUMERICAL// CHET CHAPAGAIN

[@siddharthagautam8261]

thank you so much sir 😌

[@pavtrabc3428]

Sir coefficient of sliding friction ko numerical pani video banaunusna

[@myphysicsteacher3053]

ok

[@bishnurouniyar9742]

Sir zoom ko password change garnu vayo ki k ho