BITSAT Physics Mechanical Properties Of Solids MCQs

Refer to BITSAT Physics Mechanical Properties Of Solids MCQs provided below. BITSAT Full Syllabus Physics MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Physics with answers have been prepared as per the latest syllabus, BITSAT books and examination pattern suggested in Full Syllabus by BITSAT, NCERT and KVS. Multiple Choice Questions for Mechanical Properties Of Solids are an important part of exams for Full Syllabus Physics and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for BITSAT Full Syllabus Physics and also download more latest study material for all subjects

MCQ for Full Syllabus Physics Mechanical Properties Of Solids

Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Mechanical Properties Of Solids in Full Syllabus. These MCQ questions with answers for Full Syllabus Physics will come in exams and help you to score good marks

Mechanical Properties Of Solids MCQ Questions Full Syllabus Physics with Answers

 

Question: Two wires are made of the same material and have the same volume. However wire 1 has cross-sectional area A and wire 2 has crosssectional area 3A. If the length of wire 1 increases by Δx on applying force F, how much force is needed to stretch wire 2 by the same amount?

  • a) 4 F
  • b) 6 F
  • c) 9 F
  • d) F

Answer: 9 F

 

Question: A steel wire is stretched by 1 kg wt. If the radius of the wire is doubled, its Young’s modulus will

  • a) Remain unchanged
  • b) Become half
  • c) Become double
  • d) Become four times

Answer: Remain unchanged


Question: A cube is subjected to a uniform volume compression. If the side of the cube decreases by 2% the bulk strain is

  • a) 0.02
  • b) 0.03
  • c) 0.04
  • d) 0.06

Answer: 0.06


Question: The Young’s modulus of a perfectly rigid body is

  • a) Unity
  • b) Zero
  • c) Infinity
  • d) Some finite non-zero constant

Answer: Infinity


Question:  An iron rod of length 2m and cross-sectional area of 50 mm2 stretched by 0.5 mm, when a mass of 250 kg is hung from its lower end. Young’s modulus of iron rod is

  • a) 19.6 × 1020 N/m2 
  • b) 19.6 × 1018 N/m2
  • c) 19.6 × 1010 N/m2
  • d) 19.6 × 1015 N/m2

Answer: 19.6 × 1010 N/m2

 

Question: The upper end of a wire of diameter 12mm and length 1m is clamped and its other end is twisted through an angle of 30°. The angle of shear is

  • a) 18°
  • b) 0.18°
  • c) 36°
  • d) 0.36°

Answer: 0.18°


Question: A metallic rod breaks when strain produced is 0.2%. The Young’s modulus of the material of the rod is 7 × 109 N/m2. What should be its area of cross-section to support a load of 104 N ?

  • a) 7.1 × 10–8 m2
  • b) 7.1 × 10–6 m2
  • c) 7.1 × 10–4 m2
  • d) 7.1 × 10–2 m2

Answer: 7.1 × 10–4 m2

 

Question: The length of a metal is l1 when the tension in it is T1 and is l2 when the tension is T2. The original length of the wire is

  • a)

    BITSAT Physics Mechanical Properties of Solids 1

  • b)

    BITSAT Physics Mechanical Properties of Solids 2

  • c)

    BITSAT Physics Mechanical Properties of Solids 3

  • d)

    BITSAT Physics Mechanical Properties of Solids 4

Answer:

BITSAT Physics Mechanical Properties of Solids 3

 

Question: A thick rope of density ρ and length L is hung from a rigid support. The Young’s modulus of the material of rope is Y. The increase in length of the rope due to its own weight is

  • a) 1/4) r g L2/Y
  • b) (1/2) r g L2/Y
  • c) r g L2/Y
  • d) r g L/Y

Answer: (1/2) r g L2/Y

 

Question: If the ratio of radii of two wires of same material is 2 : 1 and ratio of their lengths is 4 : 1, then the ratio of the normal forces that will produce the same extension in the length of two wires is

  • a) 2 : 1
  • b) 4 : 1
  • c) 1 : 4
  • d) 1 : 1

Answer: 1 : 1

 

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BITSAT Full Syllabus Physics Mechanical Properties Of Solids MCQs

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BITSAT MCQs Physics Full Syllabus Mechanical Properties Of Solids

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Multiple Choice Questions (MCQs) for Mechanical Properties Of Solids Full Syllabus Physics are objective-based questions which provide multiple answer options, and students are required to choose the correct answer from the given choices.