A large flat slab of metal at temperature T 0 has a hole in it. The metal is warned to a new temperature T T 0 . Upon warming, the area of the hole will (A) increase. (B)decrease. (C) remain the same size. (D) possibly change size, depending on the shape of the hole.

Question

A large flat slab of metal at temperature T­­­­ 0 has a hole in it. The metal is warned to a new temperature T> T­­ 0 . Upon warming, the area of the hole will (A) increase. (B)decrease. (C) remain the same size. (D) possibly change size, depending on the shape of the hole.

sankalp nainwal · Answer

b

rehman ali · Answer

(a) different metal expand due to higher temperature because due to movement of particles they have need more space , then hole increase

Vikas TU · Answer

Metals expand when you heat them, so the circle should expand. There's no real difference between the circle and a hole (of the same size) cut out of it. The circle is, in effect, the circumference of the hole you put into it. So the hole will get larger.

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A large flat slab of metal at temperature T 0 has a hole in it. The metal is warned to a new temperature T> T 0 . Upon warming, the area of the hole will (A) increase. (B)decrease. (C) remain the same size. (D) possibly change size, depending on the shape of the hole.

A large flat slab of metal at temperature T₀ has a hole in it. The metal is warned to a new temperature T> T₀. Upon warming, the area of the hole will
(A) increase.
(B)decrease.
(C) remain the same size.
(D) possibly change size, depending on the shape of the hole.

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