Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

Pls give ans fast
question image
Asked by sudheerkapoor67 | 30 Jan, 2018, 09:49: PM
answered-by-expert Expert Answer
begin mathsize 12px style P o t e n t i a l space e n e r g y space a t space a space p o i n t space R space i s space g i v e n space b y space integral subscript infinity superscript R F left parenthesis r right parenthesis d r comma space r e q u i r e d space w o r k d o n e space t o space b r i n g space t h e space c h a r g e space f r o m space i n f i n i t y space t o space t h e space p o i n t space R end style
begin mathsize 12px style F o r space t h i s space p r o b l e m space P o t e n t a i l space e n e r g y space a t space R space equals space integral subscript infinity superscript R k e squared over r squared d r space equals space minus k e squared over R a t space r a d i u s space R subscript 1 space equals space minus k e squared over R subscript 1 semicolon space space space space a t space r a d i u s space R subscript 2 space equals space minus k e squared over R subscript 2 semicolon space space space space space space space space space space space space space space space space R 1 space greater than space R 2 space space space c h a n g e space i n space p o t e n t i a l space e n e r g y space space equals space k e squared open parentheses negative 1 over R subscript 1 space minus open parentheses negative 1 over R subscript 2 close parentheses space close parentheses space equals space k e squared open parentheses 1 over R subscript 2 space minus 1 over R subscript 1 space close parentheses space end style
 
Change in potential energy is devrease in the total energy of atom. But i do not know how the factor (1/2) is coming in all the options
Answered by Thiyagarajan K | 31 Jan, 2018, 12:48: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 12-science - Physics
solve it
question image
Asked by rp978841 | 08 May, 2024, 09:01: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
A charge q is enclosed by a spherical surface of radius R.If the radius is reduced to half,how would the electric flux through the surface change?
Asked by ankush76728 | 06 May, 2024, 04:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
A point charge 2 micro coulomb is at the centre of a cubic Gaussian surface 9cm on edge.What is the net electric flux through the square?
Asked by ankush76728 | 05 May, 2024, 09:55: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
here
question image
Asked by parallelpie595 | 04 May, 2024, 06:58: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
a car battery of 12V as a current 7.5 a when 1.2 oh m load is applied find the internal resistance of the battery
Asked by heymindurownbusiness | 04 May, 2024, 11:15: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
superposition principle
Asked by talulu | 01 May, 2024, 05:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
question no. 7
question image
Asked by kanishkg511 | 30 Apr, 2024, 07:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
pls someone solve this
question image
Asked by sahoobanita89 | 30 Apr, 2024, 05:10: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Electric sheilding 
Asked by divakar.9124 | 27 Apr, 2024, 10:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
explain this concept
question image
Asked by panneer1766 | 24 Apr, 2024, 01:52: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Get Latest Study Material for Academic year 24-25 Click here
×