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Physics CIE help

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halosh92:

--- Quote from: vanibharutham on April 11, 2010, 06:24:04 pm ---Paper 2?

--- End quote ---

oops i forgot to add that...yes paper 2

halosh92:

--- Quote from: astarmathsandphysics on April 11, 2010, 06:38:02 pm ---2007 oct/nov
q5a
could someone plz sketch it :SSSS
1/2 the intensity is sqrt(1/2)=0.707 times the amplitude
The sum of the two smaller waves is the bigger one

--- End quote ---

thankyou but when they say the wave has a phase difference of 60 degrees..wat do they mean exactly????

astarmathsandphysics:
They are 60/360=1/5 of af a wavelength apart

tmisterr:
Thanks astar. 1 more, q 28 on the attached paper

astarmathsandphysics:
When I get home

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