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  • A body is placed such that it cannot expand . If we increae the temprature by  , then thermal stress developed in the body is <

A body is placed such that it cannot expand . If we increae the temprature by \Delta T , then thermal stress developed in the body is 

Option: 1

k\gamma \Delta T


Option: 2

1/2k\gamma \Delta T


Option: 3

1/3k\gamma \Delta T


Option: 4

2k\gamma \Delta T


Answers (1)

best_answer

As we have learned

Thermal Stress in terms of Bulk modulus -

Thermal \: stress =K \gamma \Delta T
 

- wherein

K-Bulk \: Modulu

\gamma - co-efficient \: of \: cubical \: expansion

 

 Thermal strain = \frac{\Delta v }{v} = \frac{v \gamma \Delta T}{v}= \gamma \Delta T\\\\ Thermal \: \: strain \: \: = k\gamma \Delta T

 

Posted by

shivangi.bhatnagar

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