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Author Topic: ALL CIE PHYSICS DOUBTS HERE !!!  (Read 172035 times)

elemis

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #690 on: May 22, 2011, 03:56:06 am »
Quote from: Ghost Of Highbury~ on May 21, 2011, 07:21:03 pm
PS : Does anybody know how to put the 'delta' sign here? (Yes, the triangle symbol, Ari? )

Type :    \Delta

The select it and select the pi symbol in the editing bar above the message box.
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Offline Ghost Of Highbury

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #691 on: May 22, 2011, 07:00:04 am »
TH\DeltaNK YOU
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divine intervention!

elemis

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #692 on: May 22, 2011, 07:12:15 am »
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Offline NidZ- Hero

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #693 on: May 22, 2011, 07:57:47 am »
Ok why does a standing wave is produced only at a particular frequency and i guess this frequency is called resonance
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elemis

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #694 on: May 22, 2011, 08:04:04 am »
Quote from: Nidzzz on May 22, 2011, 07:57:47 am
Ok why does a standing wave is produced only at a particular frequency and i guess this frequency is called resonance

Unless you are doing A2 Physics, I dont think you need to know that.
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Offline EMO123

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #695 on: May 22, 2011, 08:05:08 am »
Quote from: Ari Ben Canaan on May 22, 2011, 08:04:04 am
Unless you are doing A2 Physics, I dont think you need to know that.
still you can tell this to us
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Offline aneeta

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #696 on: May 22, 2011, 08:49:32 am »

May/June 2005 paper 2 question 6b(iii)
I don't get why it's sin and not cos, or is it because I didn't do part (i) correctly? :s
Help!!
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elemis

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #697 on: May 22, 2011, 08:54:29 am »
Quote from: aneeta on May 22, 2011, 08:49:32 am
May/June 2005 paper 2 question 6b(iii)
I don't get why it's sin and not cos, or is it because I didn't do part (i) correctly? :s
Help!!

The torque of a couple is the perpendicular distance from the line of action of one force multiplied by the magnitude of one of the forces.
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Offline TJ-56

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #698 on: May 22, 2011, 08:55:59 am »
Quote from: TJ-56 on May 21, 2011, 07:43:44 pm
Can someone explain October/November 2010 Paper 54 question 2 (e)? The mark scheme is useless on this one.
Thanx in advance.

Anyone? Please the exam is tomorrow.
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elemis

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #699 on: May 22, 2011, 08:56:44 am »
Quote from: TJ-56 on May 22, 2011, 08:55:59 am
Anyone? Please the exam is tomorrow.

Examiners report, maybe ?
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Offline aneeta

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #700 on: May 22, 2011, 09:03:21 am »
Quote from: Ari Ben Canaan on May 22, 2011, 08:54:29 am
The torque of a couple is the perpendicular distance from the line of action of one force multiplied by the magnitude of one of the forces.

Yes I know that but in what direction is the force acting? Is it perpendicular to the direction of the electric field? Or parallel to the electric field?
Ps. Thanks a lot x
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elemis

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #701 on: May 22, 2011, 09:12:48 am »
Quote from: aneeta on May 22, 2011, 09:03:21 am
Yes I know that but in what direction is the force acting? Is it perpendicular to the direction of the electric field? Or parallel to the electric field?
Ps. Thanks a lot x

Parallel. Always parallel.
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Offline TJ-56

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #702 on: May 22, 2011, 09:41:01 am »
Quote from: Ari Ben Canaan on May 22, 2011, 08:56:44 am
Examiners report, maybe ?
Thanx.. I solved it, but I cant believe all that is for only 2 marks.
Anyways: May June 2010 Paper 5, question 1, what should we draw exactly for the diagram?
Can someone post their drawing if possible?
Really appreciate the help.
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Offline aneeta

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #703 on: May 22, 2011, 10:14:29 am »
Quote from: Ari Ben Canaan on May 22, 2011, 09:12:48 am
Parallel. Always parallel.

Life saver :)
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Offline TJ-56

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Re: ALL CIE PHYSICS DOUBTS HERE !!!
« Reply #704 on: May 22, 2011, 03:18:32 pm »
October November 2010 Paper 51 question 1: the question says that the coil y is tightly winded around coil x, but the diagram required by the mark scheme says 'two independent coils labeled X and Y'. So what is the correct and acceptable drawing here? One tube with both coils and just labeling the 2?
Thanks for any help in advance.
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