ICSE − Q & A

Can we skip 3rd part of current electricity? Tried a lot but cant understand anything

+ 3 more questions by panna2431  

WHy is coiled filament used in the bulb?
asked by Panna Thakkar (panna2431) 6 years ago
1

Why does alpha have highest inosing power?
asked by Panna Thakkar (panna2431) 6 years ago
2

Equal amount of hot water at a certain temprature is added to cold water at 10 degree and the resulting mixture was found to be at 20 degree. Calculate temprature of hot water. SHOW SOMEONE WITH STEPS PLEASE
asked by Panna Thakkar (panna2431) 6 years ago
4

Can a body have infinite Heat Capacity?
If yes, then how?

Will combination of ONE FIXED and other movable pulleys be asked?? It is not in the syllabus.

Note: PLEASE read all the chapters thoroughly atleast once. Ek ek word padhna. Mark my words, you won't regret it

A fire tong has a length of 48cm and effort of 80N is applied at a distance of 12cm from its fulcrum to lift a load of 16N.
Find MA,VR,Efficiency

characteristics of image formed by collimator of spectrometer?

A prism causes dispersion of white light whereas a rectangular glass block does not. Why?

Guys what do we have to write in safe limit of sound?

Coz in the Selina it  is given 0-80db
But in 2017 paper pupils analysis it is given not more than 120 db.

what is the unite of ludness
in seline it is givenphon and it says the level of sound has a unit decibal so unit of loudness is phon or decibal

What is the length of nichrome wire of resistance 5.6 ohms, if the length of a similar wire is 80 cm  and its resistance is 4.2ohms