Qualification > Queries

Physics P1 tips, anybody?

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astarmathsandphysics:
In 1s it travels 3*10^8m
number of wavelengths=3*10^8/(600*10^(-9))=3*10^8/(6*10^(-7))=0.5*10^15=5*10^14

halosh92:

--- Quote from: astarmathsandphysics on May 13, 2010, 02:18:16 pm ---In 1s it travels 3*10^8m
number of wavelengths=3*10^8/(600*10^(-9))=3*10^8/(6*10^(-7))=0.5*10^15=5*10^14

--- End quote ---

okay thxx
how to do Q4 same paper
thx alot

astarmathsandphysics:
B

halosh92:

--- Quote from: astarmathsandphysics on May 13, 2010, 03:18:55 pm ---B

--- End quote ---

no its D
but how ?? ???

astarmathsandphysics:
19.8-1%
2.02+1%
looks like they added uncertainty to uncertainty

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