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Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

Mechanical Properties of Solids L1

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Question 1 of 10

1. Question

The property of a body, by virtue of which it tends to regain its original size and shape when the applied force is removed, is known as

plasticity

elasticity

stress

shear

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Question 2 of 10

2. Question

Which of the following is/are longitudinal stress?

tensile stress

shear stress

tensile and compressive stress both

shear and compressive stress both

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Question 3 of 10

3. Question

Longitudinal strain is defined by

\(\delta L \over L\)

\(\delta x \over L\)

\(\delta L \over L^2\)

\(\delta L \over x\)

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Question 4 of 10

4. Question

Hydraulic stresses are applicable to which of the following?

Solid only

liquid only

liquid and gases only

solid, liquid and gases all

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Question 5 of 10

5. Question

Which is most compressible among solid, liquid and gas?

solid

liquid

gas

all are equally compressible

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Question 6 of 10

6. Question

What is Poisson’s ratio ?

ratio of the longitudinal strain to the lateral strain in a stretched wire

ratio of the lateral strain to the longitudinal strain in a stretched wire

ratio of the longitudinal strain to the applied force in a stretched wire

none of the above

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Incorrect
Question 7 of 10

7. Question

What is the formula for stress if \(F\) is the force applied normal to the cross–section and \(A\) is the area of cross section of the body?

\(F \over A^2\)

\(F^2 \over A\)

\(F \over A\)

\(A \over F\)

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Question 8 of 10

8. Question

Which stress develops volume strain?

shear stress

hydraulic stress

compressive stress

tensile stress

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Question 9 of 10

9. Question

What is true about Hooke’s Law?

stress is inversely proportional to strain

stress is directly proportional to square of strain

stress is inversely proportional to square of strain

stress is directly proportional to strain

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Question 10 of 10

10. Question

Young’s modulus is defined as

the ratio of longitudinal strain to the tensile (or compressive) stress

the ratio of tensile (or compressive) stress to the longitudinal strain

the ratio of shear strain to the tensile (or compressive) stress

the ratio of longitudinal strain to the shear stress

Correct

Incorrect

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Points Table
Viva questions for Physics Class 12
विज्ञान 10 – महत्वपूर्ण MCQs
Fundamentals of Arithmetic
Science 10 – Important MCQs

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