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Positronium consists of electron and positron orbiting round their common centre of mass. Calculate the value of Rydberg constant for the system?
 
 
In Bohr model, for the calculation of Rydberg constant, the mass of an atom is considered to be very large in comparison to electron. The Rydberg constant, hence is denoted as : R 0 = 1.097...
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Aziz Alam 2 months ago
Do Previous Years jee Papers Play Any Role for jee 2015??
 
 
yes its play you imp role because if you see previous year papers and go throw it so come to know ...which type ques asked in jee..but for sure previous year paper not repeat but make your...
 
Soumya Sen 26 days ago
 
Oh......thats great answer
 
anil kandakatla 6 days ago
how many marks i have to score in jee advanced to qualyfie for iit bombay mach. engg. in ge category..???? GENREL
 
 
IIT Bombay Mechanical Engineering 2013 Opening Rank:24Closing Rank: 477 (GE) Hence, taking into consideration a minor shift in the opening and closing ranks for 2014, its safe to say that...
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Aziz Alam 2 months ago
There are six official languages of the UN . i know 4 languages i.e Russian, Chinese, English and Spanish. which are the remaining two languages ??
 
 
The rest of the two languages are French and Arabic.
 
Vijay Luxmi Askiitiansexpert 5 years ago
at what time should one start preparing for iit jee??
 
 
Dear ANSHUL SHUKLA IIT JEE ine of the toughest compititive exam.And day by day compitition is increasing for IITs. So i will suggest you to start prepearing for IIT JEE from 11th standard....
 
Badiuddin askIITians.ismu Expert 4 years ago
37 marks and 71% in board pedict my rank
 
 
Your rank will be more than 2 lakhs , you can not expect any thing good at such low ranks , so best thing for you to go and reappear for boards, and jee main .
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Sher Mohammad 2 months ago
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