alleryYou press a lump of putty and it keeps the new shape. Putty is close to an ideal:
ACrystal
BPlastic
CElastic
DLiquid
Answer & Solution
Correct answer: B. Plastic
1. Putty has no tendency to regain its old shape.
2. It stays permanently deformed.
3. Such a substance is plastic.
_Source: syllabus Physics Part II, Chapter 9, Mechanical Properties of Solids._
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