ICSE − Q & A

I have a doubt. See pg 286 of concise phy. The blue box where it is written NOTE. The point (i) says that the neutron converts into proton which is instantaneously emitted and then they say that it is not possible for the electron to stay inside the nucleus???

Should we learn about the solar energy,nuclear energy etc in chapter 2

What is the other similarity of light and sound waves other than the fact that they follow the laws of refraction and reflection?

+ 1 more questions by aria124  

http://www.respaper.com/icse/255/340/4666-pdf.html Is the answer of q(3.b) 10 C??
asked by Ãwe§♥m€ l¥k tHât (aria124) 7 years ago
2

energy change when a magnet is moved inside a coil having a galvanometer at its end.name the phenomenon?

http://www.respaper.com/icse/255/340/4666-pdf.html question 3 (B) plz tell the  procedure guys

guys which light ray diagram can come this time ?

Can anyone please upload pg 238 of concise(2017 edition)ASAP?It's a request and yes please upload the full page.
TY in advance.

Is it me or anyone else who feels that tomorrow's paper will be easy as hell....???

what is the effect on the beam particles if 
(i) a hotter filament is used 
(ii) the anode voltage is increased

Question is in the comment section