Qstnid -B-38- An Iron Washer Is Heated. State The Effect On Its (I) Mass, (Ii) Internal Diameter, (Iii) External Diameter, And (Iv) Density. - 06: Heat Energy Class 8 Physics - Icse-viii-physics

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ICSE-VIII-Physics

06: Heat Energy Class 8 Physics

with Solutions - page 7

Qstn# B-38 Prvs-Qstn

#38
An iron washer is heated. State the effect on its (i) mass, (ii) internal diameter, (iii) external diameter, and (iv) density.
Ans : (i) Mass remains same on heating. (ii) Internal diameter increases. (iii) External diameter increases. (iv) Density decreases.

#38-i
mass,
Ans : Mass remains same on heating.

#38-ii
internal diameter,
Ans : Internal diameter increases.

#38-iii
external diameter, and
Ans : External diameter increases.

#38-iv
density.
Ans : Density decreases.