NEET questions on the topic of mechanical properties of solids
NEET questions on the topic of mechanical properties of solids:
- The property of a material to resist deformation under stress is called: a) Hardness b) Elasticity c) Toughness d) Ductility
Answer: b) Elasticity
- Which of the following materials has the highest Young’s modulus? a) Steel b) Rubber c) Glass d) Aluminium
Answer: a) Steel
- A metal rod of length 1 m and cross-sectional area 1 cm² is stretched by a force of 100 N. If the Young’s modulus of the metal is 2 x 10^11 N/m², what is the increase in length of the rod? a) 5 x 10^-4 m b) 5 x 10^-5 m c) 5 x 10^-6 m d) 5 x 10^-7 m
Answer: b) 5 x 10^-5 m
- Which of the following materials has the highest hardness? a) Aluminium b) Copper c) Diamond d) Gold
Answer: c) Diamond
- A material is said to be ductile if: a) It has a high melting point b) It can be hammered into thin sheets c) It can be drawn into wires d) It can be polished to a high shine
Answer: c) It can be drawn into wires
