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Question
Consider the following statements:
If the planes at right angle carry only shear stress of magnitude q in a certain instance, then the
1.    Diameter of Mohr's circle would be equal to '2q'
2.    Center of Mohr's circle would lie at the origin
3.    Principal stresses are unlike and are of magnitude 'q' each
4.    Angle between the principal plane and the plane of maximum shear would be 45°
fuEufyf[kr dFkuksa ij fopkj djsa%
;fn ,d fuf'pr voLFkk esa ledks.k ij lery dsoy q ifjek.k dk vi:i.k izfrcy ogu djrk gS] rks
eksgj ds o`Ùk dk O;kl '2q' ds cjkcj gksxk
eksgj o`Ùk dk dsanz ewy fcanq ij fLFkr gksxk
izeq[k izfrcy fHkUu gksrs gSa vkSj izR;sd dk ifjek.k 'q' gksrk g
eq[; lery vkSj vf/kdre vi:i.k ds ry ds chp dk dks.k 45° gksxk
A.
1, 2 and 3 only
B.
1, 2 and 4 only
C.
3 and 4 only
D.
1, 2, 3 and 4
Answer ( Option D)

1, 2, 3 and 4

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