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

Really helpful, thank you for your efforts

Thank you veerryyyy much for your lesson

Great resource :) Thank you!

This was AMAZING

really helpful thanks a lot

this explaination is awesome

nice explanation

good

🤗