-
Prepare by Xtremepapers!
🚀 NEW from the xtremepape.rs team: AI exam prep — 120,000+ worked solutions, and it marks your handwritten working from a photo. Sign in with your forum account & try it free → prepare.xtremepape.rs
Physics 53
- Thread starter Mattman
- Start date
- Messages
- 6
- Reaction score
- 0
- Points
- 1
it was a pain with all the calculations for question 2 but quite doable, how did you find it
XPFMember
XPRS Moderator
- Messages
- 4,555
- Reaction score
- 13,292
- Points
- 523
AsSalamoAlaikum Wr Wb,
REMINDER: No paper discussion within 24 hours of the exam.
REMINDER: No paper discussion within 24 hours of the exam.
- Messages
- 6
- Reaction score
- 0
- Points
- 1
what was everyone's last v value? with error
- Messages
- 46
- Reaction score
- 3
- Points
- 8
it was pretty good..i completed the first qs early and thus i had a lot of time for the second qs..
i got .54 +-.09
i got the error as 24%
the gradient ws like .864+-.17 ish
my biggest error in the table was like +-.15 and the rest were lower
and my k value was like 21.4 or sumfin like that,
people gott around those values, it was really easy to make mistakes in that second bit
the graph passed really close to the origin
since its been more than 24 hours,for the question
depen:theta
idepen:wavelen
then distance to lamp and observer would be constant
also the intensity of the lamp would be constant
then i used the equation theta=kl
thus a relation would be a straight line through origin
then i said fix a protractor to the table at the point of the observer
then also you diff wavlen you could change the colour of the bulbs to diff colours
use the same observer each time
repeat multiple times and take an average for theta
then safty precautions were the bulb could be hot
also the bright light could cause eye damage, so wear glasses
preform the experiment in dark room
bulbs on a track so you can move then closer to eachother
move bulbs closer by the same distance, first by larger amounts then smaller value for a accurate result
also to check that the bulbs are the same power by measuring the p.d across them using a volt meter
also side walls to block light and direct observers eyes only to the two bulbs
i got the error as 24%
the gradient ws like .864+-.17 ish
my biggest error in the table was like +-.15 and the rest were lower
and my k value was like 21.4 or sumfin like that,
people gott around those values, it was really easy to make mistakes in that second bit
the graph passed really close to the origin
since its been more than 24 hours,for the question
depen:theta
idepen:wavelen
then distance to lamp and observer would be constant
also the intensity of the lamp would be constant
then i used the equation theta=kl
thus a relation would be a straight line through origin
then i said fix a protractor to the table at the point of the observer
then also you diff wavlen you could change the colour of the bulbs to diff colours
use the same observer each time
repeat multiple times and take an average for theta
then safty precautions were the bulb could be hot
also the bright light could cause eye damage, so wear glasses
preform the experiment in dark room
bulbs on a track so you can move then closer to eachother
move bulbs closer by the same distance, first by larger amounts then smaller value for a accurate result
also to check that the bulbs are the same power by measuring the p.d across them using a volt meter
also side walls to block light and direct observers eyes only to the two bulbs
All my answers are abt the same as urs
No doubt ppl will forgot to square v
yeah why not, i just wrote fixed protractor on the diagram so yeah
I used theta=klambda instead, and I didn't write as many extra details other than that it's the same
I wrote down that ur eyes must be at the same level as the lamp, constant variable, and u use a table for it
Oh that's fine then
I thought u meant the l as smthng else