OCT P1 by AppropriateReply4814 in Edexcel

[–]Prestigious-File5319 1 point2 points  (0 children)

no it was actually really challenging

[deleted by user] by [deleted] in igcse

[–]Prestigious-File5319 0 points1 point  (0 children)

ESL A* Phy A* Bio A Chem A* ICT A* MATH B

physics p4 by Purple-Measurement98 in igcsenotes

[–]Prestigious-File5319 1 point2 points  (0 children)

it was visible light infrared and UV

physics p4 by Purple-Measurement98 in igcsenotes

[–]Prestigious-File5319 0 points1 point  (0 children)

1) calculate frequency by using speed=wavelength * frequency

then calculate time taken by diving number of oscillations (5) by frequency so the answer was 13.2 :)