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CBSE Class 12-science Answered

THE HORIZONTAL COMPONENT OF EARTH MEGNETIC FEILD IS 0.2 G  AND TOTAL MEGNETIC FIELD IS 0.4GFIND THE ANGLE OF DIP
 
Asked by Sandeep Yadav | 07 Feb, 2015, 05:59: PM
answered-by-expert Expert Answer
begin mathsize 14px style Given space that space the space horizontal space component space of space earth space field comma space straight B subscript straight H equals space 0.2 space gauss Total space intensity space of space earth apostrophe straight s space field comma space straight B space equals 0.4 space gauss Let space straight B subscript straight V space be space the space vertical space component space of space earth space field We space know space that colon Earth apostrophe straight s space total space magnetic space field comma space straight B space equals square root of open parentheses straight B subscript straight H close parentheses squared plus open parentheses straight B subscript straight V close parentheses squared end root Therefore space we space can space write colon straight B subscript straight V squared space equals straight B squared minus straight B subscript straight H squared or colon straight B subscript straight V equals square root of open parentheses straight B close parentheses squared minus open parentheses straight B subscript straight H close parentheses squared end root space space space space space equals square root of open parentheses 0.4 close parentheses squared minus open parentheses 0.2 close parentheses squared end root straight B subscript straight V space equals 0.346 space gauss The space vertical space component space of space earth space field equals 0.346 space gauss Again space we space know space that colon Tan space of space angle space of space dip space is colon tan space straight theta space equals fraction numerator straight B subscript straight V over denominator space straight B subscript straight H end fraction equals fraction numerator 0.346 over denominator space 0.2 space end fraction equals 1.73 straight theta space equals tan space to the power of negative 1 end exponent open parentheses 1.73 close parentheses equals 59.97 straight theta approximately equal to space 60 degree Angle space of space dip space straight theta approximately equal to space 60 degree end style
Answered by Jyothi Nair | 08 Feb, 2015, 11:38: AM
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