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Question
A given material has young's modulus E, modulus of rigidity G and poisson's ratio 0.25. The ratio of young's modulus to rigidity of this material is: 
,d nh xbZ lkexzh dk izR;kLFkrk ekikad E, n`<rk ekikad G vkSj iksbtu vuqikr 0.25 gSA bl lkexzh esa izR;kLFkrk ekikad vkSj n`<+rk ekikad dk vuqikr gS%
A.
3.75
B.
3
C.
2.5
D.
1.5
Answer ( Option C)

2.5

Solution

Given,
Poisson's ratio, µ = 0.25
Note:
Important relationships between E, G, K, & µ
(i) E  2G(1 + µ)
(ii) E 3K(1 – 2µ)

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