Physics paper 22. . . HELP!!!!! :'(

[Lamisa]

can someone please help me with physics paper 22? I'm all stuck here with momentum and diffraction grating!! Anyone any suggestion please??? it would be helpful!! :'(

 

[Thought blocker]

can someone please help me with physics paper 22? I'm all stuck here with momentum and diffraction grating!! Anyone any suggestion please??? it would be helpful!! :'(

You mean you need notes or you have some questions to ask?

 

[Lamisa]

need notes on diffraction grating, Kirchhoff's laws, and momentum. Thanks a tonne

 

[Thought blocker]

need notes on diffraction grating, Kirchhoff's laws, and momentum. Thanks a tonne

Alright, so do you have access on youtube?

 

[Lamisa]

yes. thank you!! <3

 

[Lamisa]

please explain the difference of emf and pd

 

[Syed Burair]

E.M.F is the change of Chemical energy into Electrical Energy per unit charge while P.D is the change of Electrical energy to any other form of energy per unit charge.

 

[Thought blocker]

yes. thank you!! <3

https://www.youtube.com/playlist?list=PL5D99A319E129A5B7
Well, open this link there are video explanations.

 

[Lamisa]

Thank You!!
Any ideas on what might be this year's question pattern for variant 22?

 

[Thought blocker]

The questions would be asked from every chapters. xD