ICSE − Q & A

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!

+ 2 more questions by gunareddy  

Optic fibre: use and application or phenomenon on which it is based. Explain in brief.
asked by Harshi baby (gunareddy) 8 years ago
3

Work energy and power is the 2nd part very important ( Selina)
asked by Harshi baby (gunareddy) 8 years ago
2

Do we have to study electric bell and practice its diagram?

+ 2 more questions by alldbesthappy  

What is specific charge
asked by Rinki Lata (alldbesthappy) 8 years ago
1

In mathematics it was not arrow-head but was arrow-tail. I am 100% sure. Arrow head is a quadrilateral but arrow tail is hexagon!!!!!!!!!!
asked by Rinki Lata (alldbesthappy) 8 years ago
2

which color has d faster speed red or violet
and wen a glass is placed over these colors which appears to be raised higher

+ 1 more questions by schoolboy11  

can they ask sums on weight of pulley(movable) is it in syllabus
asked by Zackery Barreto (schoolboy11) 8 years ago
2

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?

Does the depth of a tank of water change when viewed normally from above?

Should I do board papers to practice. Or prelim papers from school. For physics??

+ 1 more questions by someonesomewhere  

What are all the important diagrams that we need for physics??.
asked by Dhruv Shetty (someonesomewhere) 8 years ago
2

Please show the ray diagram

+ 1 more questions by priyaa07  

PLEASE HELP!! A fish is looking at a 1.0 m high plant at the edge of the pond. Will the plant appear shorter or taller than its actual height, to the fish? Draw a ray diagram to support your answer.
asked by Priya Das (priyaa07) 8 years ago
3

guys please send a link for physics notes and tips.

Easiest way to solve Calorimetery numericals !!!!!