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CBSE Gujarat Board Haryana Board

Previous Year Papers

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Currently only available for
Class 10 Class 12

ઉષ્મા પ્રસરણ

1 m લંબાઈ ધરાવતાં AB સળિયાના A છેડાનું તાપમાન 80 $degree bold C$ અને B છેડાનું તાપમાન 0 $degree$ C હોય તો તાપમાન પ્રચલન ............ .

$bold 0 bold. bold 8 bold space fraction numerator bold degree bold C over denominator bold cm end fraction$
$bold minus bold 0 bold. bold 8 bold space fraction numerator bold degree bold C over denominator bold cm end fraction$
$bold 0 bold. bold 8 fraction numerator bold degree bold C over denominator bold m end fraction$
$bold 0 bold. bold 6 fraction numerator bold degree bold C over denominator bold m end fraction$

bold minus bold 0 bold. bold 8 bold space fraction numerator bold degree bold C over denominator bold cm end fraction

Tips: -

તાપમાન-પ્રચલન =

$bold dT over bold dx bold space bold equals bold space fraction numerator bold T subscript bold 2 bold minus bold T subscript bold 1 over denominator bold L bold minus bold 0 end fraction bold space bold space bold space bold space bold space bold space bold space bold space bold space bold equals bold space fraction numerator bold 0 bold space bold degree bold C bold space bold minus bold space bold 80 bold space bold degree bold C over denominator bold 100 bold space bold cm bold space bold minus bold space bold 0 end fraction bold space bold space bold space bold space bold space bold space bold space bold space bold space bold equals bold space bold minus bold space bold 0 bold. bold 8 bold space fraction numerator bold degree bold C over denominator bold cm bold space end fraction bold space bold space$