Physics ATP; 24 hours passed

[manicooljay]

A clamp isn't for used for taking readings easily. It is used to prevent the thermometer from coming in contact with the walls of the beaker, since we need to measure the temperature of the water not the beaker.

clamp can also provide easiness to take reading,, without clamp you have to take out thermometer and value will not be accurate...........you are right but you misunderstood the question question was how it was helpful to use clamp thermometer not touching walls of beaker doesn't makes any sense

 

[manicooljay]

the first question in which we had to write improvement made. i wrote use two students one counting oscillations and the other measuring time. is it correct?

yep i wrote same

 

[fatikhalid]

if the bulb is faulty, it means it has a fault, it maybe that the wire or any connection has been broken in the bulb or any part so how could current pass through it ??????

if the bulbs are faulty circuit that comes after them would hav no current....so the could be faulty as z was b4 them!

 

[zainnusrat]

okay just leave it, paper hoo gya hai, jou grade aana ho ga aajayay ga

 

[manicooljay]

yr the bulb wala question was halwa.. yr the bulbs which were in parallel were not lighted but last bulb was lighted dimmly this means current was passing through circuit the parallel bulbs had more ressitance so they were not lighted the battery was not powerfull to suppy current to both current but when the current reached the last bulb it lighted it up dimmly......CONCLUSION: battery was not powerful and the battery was running down!!!

 

[farahdar]

yea they do !! im also confused :/ !!

they do..but that was an old magnet which had been demagnetised so it didn't point towrds north..

 

[convent2012]

so u guyz agree that it was too be SOUTH SOUTH ???

 

[pakiboy]

yup its confirmed that it was south south pole!!!!!!!!!

 

[pakiboy]

what is normally the percentage for distinction in any subject tell me the range..............

 

[manurocksman]

what is normally the percentage for distinction in any subject tell me the range..............

Its usually very high in sciences maybe a100% there must be someone in the world that did all the paper right, so if you lose even a mark you should forget about the distinction

 

[UziB]

what is normally the percentage for distinction in any subject tell me the range..............

98%-100%.
It is possible to obtain a regional distinction at 98 or 99%, but world distinction is only confirmed at 100%

 

[syed1995]

98%-100%.
It is possible to obtain a regional distinction at 98 or 99%, but world distinction is only confirmed at 100%

han aik na aik dash hota hai duniya mein .. jo 100% kay 100% lay leta hai

Siwaye Maths kay .. Jis mein tu regional bhi 100 pe hi hoti hai .. atleast in Pakistan

Last year Karachi say hi khaali 12 logoon ki world distinction aayi thi in Maths!!!

 

[UziB]

han aik na aik dash hota hai duniya mein .. jo 100% kay 100% lay leta hai

Siwaye Maths kay .. Jis mein tu regional bhi 100 pe hi hoti hai .. atleast in Pakistan

Last year Karachi say hi khaali 12 logoon ki world distinction aayi thi in Maths!!!

Haha kasam se! Koi na koi einstein kay puttar hotey hain jo kaam kharaab kar detay hain for us

 

[plantaholic]

what u wrote fr using clamp fr thermometer nd why beaker placed close

i wrote k so that the therm does not touch beaker's sides which could disturb actual readings because of heat transfer between the beaker walls and therm...

 

[plantaholic]

WHY THE STUDENT DIDN;T USED DIGITAL CLOCK?? WHAT WAS ITS ANSWER!!!

there was no need for it since the stopclock's accuracy was good enough.. time intervals were long: 2 mins.. not in seconds or .o1 secs

 

[plantaholic]

I think it would be right, coz this can be a possible explanation

the question hinted about the answer: the student used an "old magnet" so i think it was better to write about the magnets demagnetisation or de alignment.. i think

 

[plantaholic]

right you are

oh i wrote 10.04...
eeee!

 

[manicooljay]

there was no need for it since the stopclock's accuracy was good enough.. time intervals were long: 2 mins.. not in seconds or .o1 secs

yuppy i wrote the same

 

[manicooljay]

oh i wrote 10.04...
eeee!

1 mark gone!!

 

[madara]

hey if i wrote that the students body temperature cud affect the reading in the clamp one.....would that be correct??