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Author Topic: Pure one Doubt!!  (Read 1126 times)

Offline mousa

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Pure one Doubt!!
« on: January 29, 2010, 12:39:15 pm »
plz can anyone Explain why a = 6 b = 2 c = 3 in Q 4 part a) ?? and answer Part b) find the paper attatched below...
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Offline astarmathsandphysics

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Re: Pure one Doubt!!
« Reply #1 on: January 29, 2010, 12:52:14 pm »
Gimme a minute
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Offline astarmathsandphysics

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Re: Pure one Doubt!!
« Reply #2 on: January 29, 2010, 12:56:56 pm »
Graph is moved up 3 so c=3
distance from crest to trough is 9--3=12 but for the sine curve it should be 1--1=2 so 6 times bigger so a=6.
The graph packs 2 wavelengths into 0-2pi so b=2
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Offline Saladin

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Re: Pure one Doubt!!
« Reply #3 on: January 29, 2010, 12:59:30 pm »
and the answer to part b is 165o or also 11/12pi
« Last Edit: January 29, 2010, 01:02:11 pm by The Dude 321 »
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Offline mousa

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Re: Pure one Doubt!!
« Reply #4 on: January 29, 2010, 02:33:55 pm »
Quote from: astarmathsandphysics on January 29, 2010, 12:56:56 pm
Graph is moved up 3 so c=3
distance from crest to trough is 9--3=12 but for the sine curve it should be 1--1=2 so 6 times bigger so a=6.
The graph packs 2 wavelengths into 0-2pi so b=2

sir, i am confused, can you explain more?? or gimme some notes on this topic,nothin regarding that is mentioned in the book :-\
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Offline astarmathsandphysics

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Re: Pure one Doubt!!
« Reply #5 on: January 29, 2010, 02:47:40 pm »
wait one mo.
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Offline astarmathsandphysics

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Re: Pure one Doubt!!
« Reply #6 on: January 29, 2010, 02:48:41 pm »
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