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Physics Properties of Matter Elasticity Single Correct MCQ
Published on: August 21, 2026

A wire of length L, area of cross section A is hanging from a fixed support The length of the wire changes to Li when mass M is suspended from its free end The expression for Young's modulus is :

A
B
C
D

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The correct answer is:

                    

                


                

                    
Now, As we know the expression for longitudinal stress and strain are


Stress  .


Strain 


Hence, the formula for Young's Modulus will be expressed as


Young s modulus  

                


                
                
                
                

                    
                    
                    
                        
                            
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