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MCQ Questions Class 11 Physics Mechanical Properties of Solids with Answers

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CBSE Class 11 Physics Chapter 9 Mechanical Properties of Solids Multiple Choice Questions with Answers. MCQ Questions Class 11 Physics Mechanical Properties of Solids with Answers was Prepared Based on Latest Exam Pattern. Students can solve NCERT Class 11 Physics Mechanical Properties of Solids MCQs with Answers to know their preparation level.

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Students who are searching for NCERT MCQ Questions for Class 11 Physics Mechanical Properties of Solids with Answers are compiled here to get good practice on all fundamentals. Know your preparation level on MCQ Questions for Class 11 Physics with Answers. You can also verify your answers from our provided MCQ Class 11 Physics Mechanical Properties of Solids with Answers. So, ace up your preparation with MCQ of Chapter 9 Physics Objective Questions.

MCQ Questions Class 11 Physics Mechanical Properties of Solids with Answers - Set - 1

Question 1: 

The ratio of the change in dimension at right angles to the applied force to the initial dimension is known as
(a) Youngs modulus
(b) Poissons ratio
(c) Lateral strain
(d) Shearing strain

Correct Answer – (C)

Question 2 : 

Out of the following materials, whose elasticity is independent of temperature?
(a) Copper
(b) Invar steel
(c) Brass
(d) Silver

Correct Answer – (B)

Question 3 : 

Two wires have the same material and length, but their masses are in the ration of 4 : 3. If they are stretched by the same force, their elongations will be in the ratio of
(a) 2 : 3
(b) 3 : 4
(c) 4 : 3
(d) 9 : 16

Correct Answer – (B)

Question 4 : 

Hookes law essentially defines
(a) Stress
(b) Strain
(c) Yield point
(d) Elastic limit

Correct Answer – (D)

Question 5 : 

In a wire, when elongation is 2 cm energy stored is E. if it is stretched by 10 cm, then the energy stored will be
(a) E
(b) 2 E
(c) 4 E
(d) 25 E

Correct Answer – (D)

MCQ Questions Class 11 Physics Mechanical Properties of Solids with Answers

Question 6 : 

An iron bar of length l m and cross section A m² is pulled by a force of F Newton from both ends so as to produce and elongation in meters. Which of the following statement statements is correct
(a) Elongation is inversely proportional to length l
(b) Elongation is directly proportional to cross section A
(c) Elongation is inversely proportional to A
(d) Elongation is directly proportional to Youngs modulus

Correct Answer – (C)

Question 7 : 

A rubber cord of cross sectional area 1 mm² and unstretched length 10 cm is stretched to 12 cm and then released to project a stone of mass 5 gram. If Y for rubber = 5 ? 108N/m², then the tension in the rubber cord is
(a) 25 N
(b) 50 N
(c) 100 N
(d) 200 N

Correct Answer – (C)

Question 8 : 

Longitudinal strain is possible in the case of
(a) Gases
(b) Liquid
(c) Only solids
(d) Only gases & liquids

Correct Answer – (C)

Question 9 : 

Two wires A and B are of the same length. The diameters are in the ratio 1 : 2 and the Youngs modulus are in ratio 2 : 1. if they are pulled by the same force, then their elongations will be in ratio
(a) 4 : 1
(b) 1 : 4
(c) 1 : 2
(d) 2 : 1

Correct Answer – (D)

Question 10 : 

A body of mass 1 kg is attached to one end of a wire and rotated in horizontal circle of diameter 40 cm with a constant speed of 2 m/s. what is the area of cross-section of the wire if the stress developed in the wire is 5 × 106 N/m²?
(a) 2 mm²
(b) 3 mm²
(c) 4 mm²
(d) 5 mm²

Correct Answer – (C)

MCQ Questions Class 11 Physics Mechanical Properties of Solids with Answers

Set 1
Set 2
Set 3
Set 4
Set 5

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