Recently Asked Questions

• A doubt regarding Cathode Ray tube
  Please explain- i) How do the electrons get accelearted in a hot Cathode Ray Tube? ii) What is the utility of the "control grid" in the Cathode Ray Tube? ...
  0·2· #Physics#Class VII-X Physics
  asked2010-05-28 10:51:03
• Doubt in Radioactivity
  In d Modern Physics chapter in our syllabus(ICSE X), under d Beta emission heading i found something called "anti-neutrino". wud nyone plz say wat is dat. ...
  0·4· #Physics#Class VII-X Physics
  asked2010-05-24 09:49:38
• Plz solve d question
  *Image* D wheel shown in d diagram has a fixed axle passing thru O. D wheel is kept stationary under d action of i) a horizontal force F1 at A and ii) a vertical force F2 at B. Wich of d force F1 or F2 is greater? Find the ra ...
  0·1· #Physics#Class VII-X Physics
  asked2010-04-04 23:37:39
• spdf
  I didn't understand the s,p,d,f configuration dat was mentioned in d "blue" booklet 4 class IX (Preparatory Course For batch 2010-2011) in d Periodic Table Chapter. Anyone plz xplain me dat! ...
  0·5· #Chemistry#Class VII-X Chemistry
  asked2009-12-31 23:10:33
• doubt
  I'm a IX student. Will please tell me that though Hydrogen has a great similarity with the properties of elements of the Halogen Group, why is it placed in the Ist group of the Periodic table? ...
  0·1· #Chemistry#Inorganic Chemistry
  asked2009-08-22 04:37:45
• doubt
  Why does a spacecraft follow a series of elongated elliptical orbits before setting itself towards the orbits of the moon or other planets? ...
  0·0· #Physics#General Physics
  asked2009-08-22 04:31:42
• doubt
  What is the reason of the formation of coriolis effect in the earth? ...
  0·2· #Physics#General Physics
  asked2009-08-05 03:31:03
• Doubt
  What is diluted milk- a) A suspension b) A colloid or c) A True Solution And why? ...
  0·3· #Chemistry#Physical Chemistry
  asked2009-07-17 22:41:22
• Doubt
  I'm a IXth student.Plz explain me tyndall effect and why the colloidal particles move towards and electric field. Plz explain me in a way i can understand??? ...
  0·1· #Physics#General Physics
  asked2009-07-14 06:21:52
• Doubt
  i'm a IX student of an ICSE affiliated skool. Nd 2day while teaching the Atomic structure, my teacher said about some isoelectronic species. I didn't get that. will anyone explain me it in way i can understand?? ...
  0·3· #Physics#Modern physics
  asked2009-07-14 06:14:16
• plz help again!
  i'm in std.IX. Can anyone plz suggest me some good books to study 4 physics, that can help me a lot in my ICSE boards? ...
  0·3· #Physics#Thermal physics
  asked2009-07-09 05:05:48
• plz ans
  i'm very weak at algebra. So can anyone plz say me if (x+1/x)=4 then (x-1/x)=? nd why?? ...
  0·4· #Mathematics#Algebra
  asked2009-07-09 04:48:11
• kindly answer
  i'm a std.IX student. Will anyone plz xplain me the gas laws?? ...
  0·10· #Physics#General Physics
  asked2009-07-09 04:37:44
• plz answer
  1.Why is electricity obtained on heating a thermocouple? 2. Can copper and iron be combined to make a thermocouple? 3. Is there any other scale of temperature other than the celsius, farengeit and kelvin scale? 4. What is the ...
  0·2· #Physics#Electricity and magnetism
  asked2009-07-08 05:21:53
• plz answer
  Why does sublimation occur in camphor?? ...
  0·2· #Physics#General Physics
  asked2009-07-08 05:13:33
• one question
  Why is β=2α and γ=3α?? ...
  0·3· #Physics#Thermal physics
  asked2009-07-08 04:41:18
• one more question
  An Element X is trivalent.Write the balanced equation for the combustion of X in Oxygen. ...
  0·1· #Physics#General Physics
  asked2009-07-08 04:32:36
• Plz help
  Why is β=2α and γ=3α? ...
  0·2· #Physics#Thermal physics
  asked2009-07-08 04:27:14