Hi all, can help us with this qn? tq!

Hi all, can help us with this qn? tq!

hi, can help us with this qn ? tq!

hi, can help us with this qn ? tq!

hi, can help with this qn parts (b) and…

hi, can help with this qn parts (b) and (c). tq!

Hi All,For question b)  Can you advise why when…

Hi All, For question b)  Can you advise why when shift the torch light towards the paper , the amount…

Pls assist 

Pls assist 

please assist 

please assist 

Pls assist 

Pls assist 

Any easy method? Thanks 

Any easy method? Thanks 

Pls assist 

Pls assist 

Please help

Please help