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Superficial Expansion

The coefficie...

Question

The coefficient of superficial thermal expansion of an object is $1.5$ times that of the cubical expansion of the object.

A

True

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B

False

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Thermal expansion

Define superficial expansion.

Q. If the coefficient of cubical expansion is 'x' times of the coefficient of superficial expansion, then value of 'x' is

Q. If the coefficient of cubical expansion is

x

times of the coefficient of superficial expansion, then value of

x

Q. The coefficients of linear expansion of P and Q are

α_{1}

α_{2}

respectively. If the coefficient of cubical expansion of Q is three times the coefficient of superficial expansion of P, then which of the following is true ?

Q. The coefficient of linear expansion of brass is

2 \times 10^{- 5} C^{- 1}

. Find its (i) coefficient of superficial expansion, (ii) coefficient of cubical expansion.

x a n d y

be the answers write

(y - x) \times 10^{5}

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