When a pressure of 100 atmosphere is applied on a spherical ball, then its volume reduces by 0.01%. The bulk modulus of the material of the rubber in dyne / cm2 is:

(1) 10×1012                               

(2) 100×1012

(3) 1×1012                                 

(4) 20×1012

Subtopic:  Shear and bulk modulus |
 67%
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A uniform cube is subjected to volume compression. If each side is decreased by 1%, then bulk strain is

(1) 0.01                             

(2) 0.06

(3) 0.02                             

(4) 0.03

Subtopic:  Shear and bulk modulus |
 65%
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A ball falling in a lake of depth 200 m shows 0.1% decrease in its volume at the bottom. What is the bulk modulus of the material of the ball

(1) 19.6×108N/m2               

(2) 19.6×10-10N/m2

(3) 19.6×1010N/m2               

(4) 19.6×10-8N/m2

Subtopic:  Shear and bulk modulus |
 77%
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The Bulk modulus for an incompressible liquid is

(1) Zero                                           

(2) Unity

(3) Infinity                                       

(4) Between 0 to 1

Subtopic:  Shear and bulk modulus |
 71%
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The ratio of lengths of two rods A and B of the same material is 1: 2 and the ratio of their radii is 2: 1. The ratio of modulus of rigidity of A and B will be:

1. 4: 1 2. 16: 1
3. 8: 1 4. 1: 1
Subtopic:  Stress - Strain |
 54%
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When a spiral spring is stretched by suspending a load on it, the strain produced is called:

1. Shearing
2. Longitudinal
3. Volume       
4. shearing and longitudinal


 

Subtopic:  Shear and bulk modulus |
From NCERT
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The Young's modulus of the material of a wire is 6×1012N/m2 and  there is no transverse strain in it, then its modulus of rigidity will be

(1) 3×1012N/m2                       

(2) 2×1012N/m2

(3) 1012N/m2                             

(4) None of the above

Subtopic:  Elasticity |
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Modulus of rigidity of a liquid:

(1) Non zero constant

(2) Infinite

(3) Zero

(4) Can not be predicted

Subtopic:  Shear and bulk modulus |
 62%
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A cube of aluminium of sides 0.1 m is subjected to a shearing force of 100 N. The top face of the cube is displaced through 0.02 cm with respect to the bottom face. The shearing strain would be:
1. 0.02                                   
2. 0.1
3. 0.005                                
4. 0.002

Subtopic:  Stress - Strain |
 70%
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The upper end of a wire of radius 4 mm and length 100 cm is clamped and its other end is twisted through an angle of 30°. Then angle of shear is

(1) 12°                                     

(2) 0.12°

(3) 1.2°                                     

(4) 0.012°

Subtopic:  Stress - Strain |
 67%
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