Ray diagrams for concave mirrors 

thank you so much ma'am for your videos , they are excellent and now my daughter can do ray diagrams perfectly

Thank you so much ma'am. This helped me a lot!! :-)

This made me pass my phisics test. Thanks

Thank you veerryyyy much for your lesson

This was AMAZING

Really helpful, thank you for your efforts

Great resource :) Thank you!

really helpful thanks a lot

this explaination is awesome

good

nice explanation

🤗