1. hey i am just wondering that a black surface absorbs 98% of the incident light,right?ok.but on the contrary a white surface reflects the incident light,right?why is it so???2. hey can u friends remember th J.J Thomson experiment?the cathode ray tube one?yeah that`s the one.in it the an atmosphere of low pressure is under consideration why so????3. an electron has an spin quantum spinning number of +1/2 and-1/2.why is it only half and some other value????4. hey can anybody tell me which electronic shell succeeds after K,L,M,N..?and what will be its value???5. (pls tell me if it is wrong)i think that the first shell i.e the K shell has only the `s` sub orbital.then L shell has `s` and `p` suborbital is it true???pls pls pls reply to my answers

Aditi Chauhan , 10 Years ago

Grade 10