Help me about the physics pastpaper!!!

[Honn]

does anyone know what is the different between this two pastpapers ? 9702_w09_qp_41 and 9702_w09_qp_42 ,what are 41 and 42 here stand for?

 

[Zohaib Sherazi]

These stand for the same "paper 4" but are two different variants, with difference in qsts BUT the same level of difficulty. These are sent to the different parts of the world due to a large candidature and to standardize the time at which the examination is taken across the world.

 

[princesszahra]

these r the different variation with almost the same standard!

 

[nightrider1993]

Different countries can have different variants of the same paper...

 

[fasim]

they r 2 varaiants