ICSE − Q & A

Two medical uses of SONAR???

+ 3 more questions by aayushjoshi  

An electric pump is used to lift 500 kg of water from a depth of 80 m in 10 seconds. Calculate power rating of the pump if its efficiency is 40%.
asked by Aayush Joshi (aayushjoshi) 6 years ago
5

What is the meaning of power rating???
asked by Aayush Joshi (aayushjoshi) 6 years ago
2

https://www.respaper.com/aayush25/3848-pdf.html Take a look at these questions, they are very helpful.
asked by Aayush Joshi (aayushjoshi) 6 years ago
1

who are moderators in board and what they do

+ 1 more questions by mdarfath  

can anyone say the examples of lateral displacement and bending of pen in water when viewed from air is not a example of lateral displace . is that correct ?
asked by Rtstud (mdarfath) 6 years ago
0

Unit of intensity

+ 1 more questions by jgpvgp  

What is meant by ;The refractive index of diamond is 2.41 ?
asked by Gangadharanpillai Gangadharanpillaik (jgpvgp) 6 years ago
2

I follow selina book and there has been a numerical from electricity chapter which seems a bit different-
The power rating of an electric bulb is 40W 220 V. Find the power when the potential difference is reduced to 200V.

Is the resistance taken constant here or the current?

+ 1 more questions by prat172  

Find the refractive index of the denser with respect to the rarer medium? Should it be - rUd or dUr
asked by Prateek Mukherjee (prat172) 6 years ago
4

Does a rain drop reaches the with constant velocity ?? Give reason for your answer.

Guys after the "ban' was lifted i just realized i can not only see respapers for free but also download them in pdf format.....!!! yahoooo

If the question says, draw the diagram of the "PULLEY SYSTEM" with V.R. = 4, then which diagram is to drawn-
1. Combination of 2 movable and 1 fixed pulley. (V.R. = 2^n, where n is the no. of movable pulleys)
2. A block and tackle system with 4 pulleys (where V.R. = no. of pulleys)?

Another question, why are there no hooks connected the upper block of the B&T system with the rigid support for even number of pulleys?

What's the definition of latent heat?

Which chapter u think will come the most in tomm paper

When the temperature is not mentioned, how do we know whether we have to take mL or mct+mL in any question that mentions ice?