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Mindmap: Mechanical Properties of Solids | Physics Class 11 - NEET PDF Download

Mindmap: Mechanical Properties of Solids | Physics Class 11 - NEET

The document Mindmap: Mechanical Properties of Solids | Physics Class 11 - NEET is a part of the NEET Course Physics Class 11.
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FAQs on Mindmap: Mechanical Properties of Solids - Physics Class 11 - NEET

1. What are the mechanical properties of solids?
Ans. Mechanical properties of solids refer to the physical characteristics that describe how a solid material reacts under the influence of external forces. These properties include elasticity, plasticity, hardness, strength, and toughness.
2. What is elasticity in the context of mechanical properties of solids?
Ans. Elasticity is a mechanical property that describes the ability of a solid material to deform under stress and return to its original shape once the stress is removed. It is characterized by the material's modulus of elasticity or Young's modulus, which measures the ratio of stress to strain.
3. What is plasticity and how does it relate to the mechanical properties of solids?
Ans. Plasticity is the ability of a solid material to undergo permanent deformation without breaking or fracturing. It is a property that determines how much a material can be stretched or compressed before it undergoes permanent changes in shape. Plasticity is important in processes like metal forming and shaping.
4. What is hardness and how is it measured in the context of mechanical properties of solids?
Ans. Hardness is a measure of a solid material's resistance to indentation or scratching. It indicates the material's ability to withstand localized surface deformation and is often related to its strength. Hardness is commonly measured using tests such as the Rockwell hardness test or the Vickers hardness test.
5. How are strength and toughness different in terms of mechanical properties of solids?
Ans. Strength and toughness are both mechanical properties that describe a solid material's ability to withstand and resist external forces. However, they differ in their definitions. Strength refers to the material's ability to withstand an applied load without breaking or deforming permanently. Toughness, on the other hand, measures the material's ability to absorb energy before fracture. It combines strength and ductility, indicating the material's capacity to deform plastically before failure.
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