Concepts Of Physics MCQ Edition [Volume 2]
- Exam
- Concepts Of Physics MCQ Edition [Volume 2]
- Subject
- Physics
- Chapter
- Heat and Temperature
Concepts Of Physics MCQ Edition [Volume 2] · Physics · Heat and Temperature
When a metal sheet containing a circular hole is heated, the hole
When a metal sheet containing a circular hole is heated, the hole
Options
- Abecomes smaller
- Bbecomes deformed
- Cremains the same size
- Dbecomes larger
Correct answer
D. becomes larger
Step-by-step solution
When a metal sheet is heated, it undergoes thermal expansion.
The expansion of an isotropic solid is analogous to a photographic enlargement.
The distance between any two points on the sheet increases upon heating.
Therefore, the diameter of the circular hole also increases, meaning the hole becomes larger.
The expansion of an isotropic solid is analogous to a photographic enlargement.
The distance between any two points on the sheet increases upon heating.
Therefore, the diameter of the circular hole also increases, meaning the hole becomes larger.