ICSE − Q & A

please guys I need another favour from you.I have not understood the concept in the question
http://www.respaper.com/sanchit01/5557-pdf.html
Q8 a
Its a humble request

+ 1 more questions by asysu  

name the radiation for which greenhouse gas is a)transparent b)opaque Please guys help me out
asked by Ayush Mishra (asysu) 7 years ago
2

In cathode ray tube....why is the deflction caused by magnetic field larger than same length of electric field of same strength??

http://www.respaper.com/harshavvardhan/774/6557-zip.html Q4(d)

is electric bell in scope????

Please answer the following :
1200g of molten lead at its melting point 325 degrees Celsius, is dropped into 600g of water at 10 degrees Celsius. Calculate the final temperature of the mixture. (Specific heat capacity of lead=0.15,water=4.2,and specific latent heat of fusion of lead=30 joule per gram)

why is soft iron used to make the armature of electric bell?

CONCISE TB EX(1B) 14 th question how do u answer this?

WHATS A DOUBLE POLE SWITCH?

1)What is the refractive index of an opaque body?Give reason.
2)On what factors does velocity of wave in a medium depend?
3)State the unit of magnetic field in terms of force experienced by a current carrying conductor placed in a magnetic field.
4)When can an electric charge give rise to a magnetic field?
5)Heat supplied to a substance during its change of state does not cause any rise in temp.Explain.

Is derivations mentioned on page 187 and 188 in concise book imp???