Q6 of 64 Page 11

A metal sheet with a circular hole is heated. The hole

If the metal is heated it will expand, if the metal sheet is having a circular or any type of hole, it also a part of the metal. So, when it is getting heated, it will expand, and the whole size will be increased. Hence, the circular hole will become stronger.

More from this chapter

All 64 →
4

For a constant volume gas thermometer, one should fill the gas at

 5

Consider the following statements.

(A) The coefficient of linear expansion has dimension K–1.


(B) The coefficient of volume expansion has dimension K–1.


 7

Two identical rectangular strips, one of copper and the other of steel, are riveted together to form a bimetallic strip (αcopper > αsteel). On heating, this strip will

 8

If the temperature of a uniform rod is slightly increased by Δt, its moment of inertia I about a perpendicular bisector increase by