Physics P5 in 5 minutes !!!

[fb.junks]

Asalamualikum can anyone help me i just want to ask do we calculate the upper and the lower limits separately or we just calculate the over all uncertainty ?

Uncertainty is calculate overall not separate lower or upper limit

 

[Zari]

Uncertainty is calculate overall not separate lower or upper limit

Thanks for the reply can you also explain how to calculate the uncertainty for M/J 2011 variant 52 Q2)b ) for V/E

 

[SararaIH]

Im sorry bt im also a bit confused with the absolute uncertainty thing....il let u knw as soon as i find out...
so part 2d...if u rearrange the main equation given to the form y=mx+c...the gradient will be (p/v)....in part d they have given the volume and u have already found the gradient in part c(iii)...so the value of (P) would be volume into gradient.....

Thank you!

And I can help you with the absolute uncertainties
I figured out how to do it, thanks to the help of many people in this thread.

Okay, let me show you one of the values
for the first value, it is given that l= 6 +/- o.4

so l^2 = (6)^2 = 36

The fractional uncertainty,
2 x (0.4/6) = 0.133333...

So the absolute uncertainty,
0.133333... multiplied with the l^2
so, 0.13333... x 36 = 4.8

so the final result,
36 +/- 4.8

I hope you understood

 

[fb.junks]

Thanks for the reply can you also explain how to calculate the uncertainty for M/J 2011 variant 52 Q2)b ) for V/E

uncertainty of V/E=(error in V/V + error in E/E)x(V/E)

 

[Zari]

uncertainty of V/E=(error in V/V + error in E/E)x(V/E)

Thanks

 

[Aries_95]

Notes for planning questions...hope these help
https://www.xtremepapers.com/community/threads/physics-p-5.27460/

 

[notebook]

how to calculate v in o/n/11/53??

 

[Ashique]

How do you calibrate a C.R.O with a known light intensity? Could someone explain it to me?

 

[fb.junks]

How do you calibrate a C.R.O with a known light intensity? Could someone explain it to me?

I dont think calibration is required just u should know how to calculate value from CRO

 

[fb.junks]

how to calculate v in o/n/11/53??

v=.2/t
If u read carefully the second last line of question 2 on the first page u will get it.

 

[kalpaveen]

hey i did this q, its 2012 May/ June,,,,,were u taking inverse of 54.5 x 10^-2 ???or just 54.5, cuz make sure u do, but off course u wud've done it by now

are u saying that it should be ..[0.5/54.4*10^-2]*1.83 OR [0.5/54.4]*1.83???

 

[FRENZYAMU]

are u saying that it should be ..[0.5/54.4*10^-2]*1.83 OR [0.5/54.4]*1.83???

no the error is fine (0.5/54.5) but in calulating 1/L you shud take into account the real value which is 54.5x10^2,,,,so ure error is fine and the value that u quoted 1.83 is good too
its alright , i ws just confusing u sorry, u got it right

 

[Zari]

Can anyone help me in how to calculate the uncertainty for O/N 2008 Q2) for D^2

 

[c00ldodo]

thank you
i love u man

 

[sumaiyarox:)]

i think he means this:
1st add the uncertainty to the given value = A + a = X
then subtract the uncertainty from the given value = A - a = Y
then subtract the two and and divide by 2 -----> (X -Y)/2

Hope i helped!
All credit to Nibz

 

[demon29]

Yes... definitely

if it doesn't pass by all the points? I am not getting it

 

[adithyaXX]

thanks ..... for your help n alll .... really appreciate it

 

[gary221]

What?

 

[sumaiyarox:)]

What?

what what?

 

[gary221]

what what?

What what what?