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Author Topic: ALL PHYSICS DOUBTS - POST HERE !!  (Read 229528 times)

Offline NidZ- Hero

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1350 on: May 25, 2010, 05:18:28 pm »
can any1 plz temme wat is de hardest ppr n u suggest i shuld  :) ;D ;D
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Offline Baladya

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1351 on: May 25, 2010, 05:18:53 pm »
Quote from: jellybeans on May 25, 2010, 05:17:28 pm
, hi again; helpppp please? :) :) :)

First one B?

Second D
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Offline jellybeans

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1352 on: May 25, 2010, 05:19:44 pm »
Quote from: Baladya on May 25, 2010, 05:18:53 pm
First one B?

:( nupes.. first one A, :/
yes, 2nd one's D , ... explanation? :P
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Offline Raywin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1353 on: May 25, 2010, 05:20:08 pm »
Quote from: Baladya on May 25, 2010, 05:17:58 pm
Wait, so for a generator what do we use and for a motor which do we use?

Motor ---> left hand rule thingi
Generator ----> Right hand thingi.. :)
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1354 on: May 25, 2010, 05:20:13 pm »
Quote from: jellybeans on May 25, 2010, 05:17:28 pm
, hi again; helpppp please? :) :) :)

12) A .. there a vacuum created so pressure is 0

24) A .. all rays are parallel .. so they will emerge through the lens parallel
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Offline Baladya

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1355 on: May 25, 2010, 05:20:40 pm »
Quote from: jellybeans on May 25, 2010, 05:19:44 pm
:( nupes.. first one A, :/

I had a similar question and i still dunno why its zero :S
Second one is D
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Offline jellybeans

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1356 on: May 25, 2010, 05:21:00 pm »
Quote from: ~VIN1094~ on May 25, 2010, 05:20:13 pm
12) A .. there a vacuum created so pressure is 0

24) A .. all rays are parallel .. so they will emerge through the lens parallel

24)'s D , thanks for Q12 :) :)
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Offline jellybeans

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1357 on: May 25, 2010, 05:21:26 pm »
Quote from: Baladya on May 25, 2010, 05:20:40 pm
I had a similar question and i still dunno why its zero :S
Second one is D

hahaha, umm .. cud u explain why it's D pleaaase :P
thankyouus.
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Offline Ghost Of Highbury

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1358 on: May 25, 2010, 05:21:56 pm »
Quote from: ~VIN1094~ on May 25, 2010, 05:20:13 pm
12) A .. there a vacuum created so pressure is 0

24) A .. all rays are parallel .. so they will emerge through the lens parallel

C? "CONVERGING" lens...says it all..

« Last Edit: May 25, 2010, 05:24:28 pm by A@di »
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Offline MasterMath

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1359 on: May 25, 2010, 05:22:40 pm »
Quote from: Baladya on May 25, 2010, 05:20:40 pm
I had a similar question and i still dunno why its zero :S
Second one is D
How is it D .. it should be C .. cause the middle ray which passes through the optical center should pass undeviated so its C >_<
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1360 on: May 25, 2010, 05:22:54 pm »
Quote from: Baladya on May 25, 2010, 05:17:58 pm
Wait, so for a generator what do we use and for a motor which do we use?

LEFT HAND RULE --for MOTORS
LM

RIGHT HAND RULE ---> GENERATORS

RG
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Offline Vin

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1361 on: May 25, 2010, 05:23:56 pm »
Quote from: A@di on May 25, 2010, 05:21:56 pm
D? "CONVERGING" lens...says it all..

oh yea .. i see  :-[
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Offline Baladya

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1362 on: May 25, 2010, 05:24:14 pm »
GUYS. When a ray is going straight (not at an angle) it will continue straight. But when at an angle it will TEND TO GO TOWARDS THE CENTER
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Offline MasterMath

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1363 on: May 25, 2010, 05:24:26 pm »
Quote from: A@di on May 25, 2010, 05:21:56 pm
D? "CONVERGING" lens...says it all..
If you notice the first one doesnt deviate which doent make sense at all so you can exclude that straight forward
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Offline jellybeans

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Re: ALL PHYSICS DOUBTS - POST HERE !!
« Reply #1364 on: May 25, 2010, 05:24:39 pm »
Quote from: MasterMath on May 25, 2010, 05:22:40 pm
How is it D .. it should be C .. cause the middle ray which passes through the optical center should pass undeviated so its C >_<

MY BAAAAAD! it says C ,, THANKS!!!!!
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