ICSE − Q & A

Hello folks. I have a question that I want to leave the chapter calorimetry as most of the time I have to spent in it... So can I leave that chapter???

why is it easier to open the cap of a pen with two fingers than with one finger ?  pls answer

is power and magnification in syllabus(lens)

+ 1 more questions by schoolboy11  

which color has d faster speed red or violet and wen a glass is placed over these colors which appears to be raised higher
asked by Zackery Barreto (schoolboy11) 9 years ago
3

please answer this question....

which is best ? cbse or ise for 11th ? r both same syllabus....which will be useful for engineering,technology ?

Is maths aLSO compulsary subject or only english is compulsary?

Do we have to learn the definition of right hand thumb rule, Flemming left and right hand rule or simply understand it?

+ 1 more questions by alldbesthappy  

Do we have to study electric bell and practice its diagram?
asked by Rinki Lata (alldbesthappy) 9 years ago
2

Page 273 chapter thermionic emission exercise 12 A can some one tell me the answers for 13th question. Found these questions in maximum prelim papers but no answers!

+ 1 more questions by gunareddy  

Optic fibre: use and application or phenomenon on which it is based. Explain in brief.
asked by Harshi baby (gunareddy) 9 years ago
3

http://www.respaper.com/anukrishna/8726-pdf.html - I hope it will be usefull 4 u

I came across an impprtant question.  Lets see how many can answer it correct.  In a hot cathode ray tube if the pressure is reduced to 0 mmhg or a complete vacuum, what will happen to the rate of thermionic emission and why?