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CBSE Class 9 Answered

please help me to solve it
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Asked by asmitasaha2005 | 01 Oct, 2020, 06:40: PM
answered-by-expert Expert Answer
m1v1=m2v2
m subscript 1 over m subscript 2 equals V subscript 2 over V subscript 1
V subscript 2 over V subscript 1 equals fraction numerator 1 cross times 10 to the power of negative 3 end exponent over denominator 4 cross times 10 to the power of negative 3 end exponent end fraction
fraction numerator V 1 over denominator V subscript 2 end fraction equals 4 over 1
fraction numerator K E subscript 1 over denominator K E subscript 2 end fraction equals fraction numerator m subscript 1 V subscript 1 squared over denominator m subscript 2 V subscript 2 squared end fraction
fraction numerator K E subscript 1 over denominator K E subscript 2 end fraction equals fraction numerator 1 cross times 4 squared over denominator 4 cross times 1 squared end fraction
fraction numerator K E subscript 1 over denominator K E subscript 2 end fraction equals 4 over 1
Answered by Utkarsh Lokhande | 01 Oct, 2020, 09:12: PM
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