Doppler Effect in 1D and 2D with Problems

[@bajpaijibajpaiji4364]

Really very very good sir

[@physicsdomain8548]

Thanks for watching

[@soumalyaghosh6643]

It helped me a lot sir. Thankyou so much

[@arunaher7487]

Fantastic Problem regarding Doppler effect......Sir.
I learned different today about DE.

[@physicsdomain8548]

Thank you

[@ashish_singh_259.]

❤❤... Thats osm...