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NEET Exam  >  NEET Tests  >  Physics Class 11  >  31 Year NEET Previous Year Questions: Mechanical Properties of Solids - NEET MCQ

31 Year NEET Previous Year Questions: Mechanical Properties of Solids - NEET MCQ


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5 Questions MCQ Test Physics Class 11 - 31 Year NEET Previous Year Questions: Mechanical Properties of Solids

31 Year NEET Previous Year Questions: Mechanical Properties of Solids for NEET 2024 is part of Physics Class 11 preparation. The 31 Year NEET Previous Year Questions: Mechanical Properties of Solids questions and answers have been prepared according to the NEET exam syllabus.The 31 Year NEET Previous Year Questions: Mechanical Properties of Solids MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for 31 Year NEET Previous Year Questions: Mechanical Properties of Solids below.
Solutions of 31 Year NEET Previous Year Questions: Mechanical Properties of Solids questions in English are available as part of our Physics Class 11 for NEET & 31 Year NEET Previous Year Questions: Mechanical Properties of Solids solutions in Hindi for Physics Class 11 course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt 31 Year NEET Previous Year Questions: Mechanical Properties of Solids | 5 questions in 10 minutes | Mock test for NEET preparation | Free important questions MCQ to study Physics Class 11 for NEET Exam | Download free PDF with solutions
31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 1
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Two wires A and B are of the same material. Their lengths are in the ratio 1 : 2 and the diameter are in the ratio 2 : 1. If they are pulled by the same force, then increase in length will be in the ratio

Detailed Solution for 31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 1

We know that Young's modulus

Since Y, F are same for both the wires, we have,

So,    ℓ1 : ℓ2 = 1 : 8

31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 2
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When an elastic material with Young’s modulus Y is subjected to stretching stress S, elastic energy stored per unit volume of the material is

Detailed Solution for 31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 2

Energy stored per unit volume

stress (stress / Young' s modulus)

 (stress)2 /( Young ' s modulus)

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31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 3
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The compressibility of water is 4 × 10–5 per unit atmospheric pressure. The decrease in volume of 100 cm3 of water under a pressure of 100 atmosphere will be 

Detailed Solution for 31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 3

  Here, P = 100 atm,  
K = 4 × 10–5  and V = 100 cm3.
Hence, ΔV = 0.4 cm3

31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 4
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The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied ? 
Detailed Solution for 31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 4

So, extension,  

[∵ F and Y are constant]

The ratio of   is maximum for case (d).
Hence, option (d) is correct.

31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 5
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If the ratio of diameters, lengths and Young’s modulus of steel and copper wires shown in the figure are p, q and s respectively, then the corresponding ratio of increase in their lengths would be [NEET Kar. 2013]
Detailed Solution for 31 Year NEET Previous Year Questions: Mechanical Properties of Solids - Question 5

From formula, Increase in length

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