NEET Physics Mechanical Properties of Solids Class 11 Questions

The maximum load a wire can withstand without breaking, when its length is reduced to half of its original length, will

The load versus elongation graph for four wires of the same materials and same length is shown in the figure. The thinnest wire is represented by the line

What is the SI unit of stress?

What is the formula for tensile stress in a wire?

What is the elastic limit for a typical rock as mentioned in the context?

What is the term for the restoring force per unit area in a material?

Which of the following statements about solid bodies and deformation is true?

What is the yield strength of mild steel as stated in the context?

What is the bulk modulus of a substance if its initial volume is 100.0 litres and the pressure increase is 100.0 atm, resulting in a final volume of 100.5 litres?

What is the bulk modulus of a substance?

What is the relationship between stress and strain for many materials under small deformations?

What is the expression for elastic potential energy per unit volume of a wire under tensile stress?

What is the elastic limit for a typical rock, as mentioned in the context?

What is the restoring force per unit area developed in a material when it is deformed by an applied force?

What is the reason that steel is preferred in heavy-duty machines and structural designs?

Which of the following statements about the compressibility of solids and gases is correct?

What is the minimum area of cross-section required for a steel rope to safely lift a load of 10 tonnes, given the yield strength of mild steel is 300 × 10^6 N/m²?

What is the formula for calculating the area of cross-section (A) of a steel rope used in a crane with a lifting capacity of 10 tonnes, ensuring the load does not exceed the yield strength?

What is the SI unit of bulk modulus?

What is the effect of pressure increase on the volume of a liquid as described in the context of bulk modulus?

What is the SI unit of stress as defined in the mechanical properties of solids?

Which of the following materials can be stretched to large strains without permanently deforming?

What is the bulk modulus defined as?

Which material requires the greatest force to produce a small change in length for a wire of the same cross-sectional area?

What is the internal restoring force per unit area developed in a fluid when a solid body is submerged?

What is the relationship between stress and strain within the elastic limit known as?

What is the yield strength of mild steel as mentioned in the context of Young's modulus?

What is the bulk modulus of a substance defined as?

Which of the following statements about Young's Modulus is correct?

Which of the following statements about Young's Modulus is correct?

Which of the following statements about stress and deformation in materials is correct?

Which of the following statements about the mechanical properties of solids is correct?

Which of the following statements about stress and strain in materials is correct?

Which of the following statements about the elastic behavior of materials is correct?

Which of the following statements about Young's Modulus is correct?

Which of the following statements about Bulk Modulus is correct?

Which of the following combinations regarding stress and strain in materials is correct?

Which of the following statements about elastic behavior is correct?

Which of the following statements about the mechanical properties of solids is correct?

Which of the following statements about Young's Modulus is correct?

Which of the following statements about the properties of materials under stress is/are correct?

Which of the following statements about bulk modulus is correct?

Which of the following statements about Young's Modulus are correct?

Which of the following statements about bulk modulus is correct?

If a force of 1000 N is applied normal to the cross-section of a wire with an area of 2 m², what is the magnitude of the stress developed in the wire?

What is the elastic potential energy per unit volume of a wire when the stress and strain are known to be 5 × 10^7 N/m² and 0.002 respectively?

A steel wire of cross-sectional area 0.1 cm² is subjected to a tensile force of 2000 N. If the original length of the wire is 1 m, what is the elongation produced in the wire?

A typical rock has an elastic limit of 30 × 10^7 N/m². If the density of the rock is 3 × 10^3 kg/m³, what is the maximum height (h) of the rock formation to remain within elastic limit under its own weight?

A steel wire of original length 2 m and cross-sectional area 0.5 cm² is subjected to a tensile force. If the Young's modulus of steel is 2 × 10¹¹ N/m², what is the approximate extension in the wire when a 1000 N force is applied?

What is the minimum cross-sectional radius required for a steel rope to lift a load of 10 tonnes without exceeding the yield strength of mild steel?