Question

$\huge \red{Question ⤵}$
what are the the coefficients of linear volume and superficial expansion ?​

Answer 1

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Consider superficial expansion of the plate area. Thus the coefficient of superficial expansion is twice the coefficient of linear expansion. Relation Between α and γ: Consider a thin rectangular parallelopiped solid of length, breadth, height, and volume l0, b0, h0, and V0 at temperature 0 °C.❤

Answer 2

Answer:

according to law of conservation of mass and neither destroyed nor created in an element