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UPSC CAPF AC Paper - I
IMPORTANT
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Modulus of rigidity of a liquid is _____.

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Important Questions on Physics

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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 80
Consider the following statements and select the correct code:
1. For a given stress, the strain produced in glass is much less than that in rubber.
2. In plastic materials, the force of cohesion are very small.
3. Elastic limit is the smallest stress, which results in permanent distortion.
 
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 81
Consider the following statements:
1. Greater the value of Young's modulus of a material, larger is its elasticity.
2. Steel is more elastic than copper.
Which of the statement(s) given above is/are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 82
Assertion (A): The solids are more elastic and gases are the least elastic.
Reason (R): It is so because for the given stress applied the gases are more compressible than that of solids.
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 83
Consider the following statements:
1. Young's modulus of elasticity is defined as the ratio of normal stress to the longitudinal strain within the elastic limit.
2. Bulk modulus of elasticity is defined as the ratio of normal stress to the volumetric strain, within the elastic limit.
Which of the statement(s) given above is/are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 84
Consider the following statements:
1. The Sl unit of Young's modulus of elasticity is Nm-2 or Pascal.
2. Young's modulus is involved in solids only.
3. The Sl unit of Bulk modulus of elasticity is Nm-2 or Pascal.
4. Bulk modulus is involved in solids, liquids and gases.
Which of the statements given above are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 85
Consider the following statements:
1. Modulus of rigidity or shear modulus of elasticity (G) is defined as the ratio of tangential stress to the shearing strain, within the elastic limit.
2. The Sl unit of modulus of rigidity is Nm- or Pascal.
3. Modulus of rigidity is involved with solids only.
Which of the statement(s) given above is/are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 86
Consider the following statements
1. Quartz and phosphor or bronze are the examples of nearly perfectly elastic bodies.
2. Putty, mud and paraffin wax are the examples of perfectly plastic bodies.
Which of the statement(s) given above are correct?
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UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 2>Q 87
The breaking stress of a wire depends on _____.