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प्रश्न
Why is the modulus of rigidity exclusive to solids?
विकल्प
Solids have a definite volume
Solids are denser than liquids
Only solids have a definite shape
Solids conduct heat better
MCQ
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उत्तर
Only solids have a definite shape
Explanation:
Modulus of rigidity measures resistance to shape change. Only solids have a definite shape, so this property applies only to them. Liquids and gases don't have fixed shapes.
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