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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
Solid state physics
Which of the following operations will transform a tetrahedron ABCD with vertices as listed below x y z A | 0 0 0 B 1 0 0 C0 1 0 D 0 0 2 into a tetrahedron ABCD with vertices as Ilisted below x y A 0 0 0 B 0 1 0 C0 0 1 D 2 0 0 up to suitable translation ? (a) A rotation aboutr axis by t/2, then a rotation about z axis by n/2 (b) A reflection in the xy plane, then a rotation about x axis by r/2 (c) Areflection in the yz plane, then a reflection in the xy plane (d) A rotation about y axis by t/2, then a reflection in the xz plane
2 Answer(s)
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Chandra prakash
this is rotation about x axis by 90°so option b and d will transform
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Mahak
this is again a rotation about x axis by 90 degree so b and d will transform but in order to transform c and b we will again rotate about z axis by 90
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Ruby negi Best Answer
see this... when u make a rotation about some axis then that axis is fixed...
I gave my best for helping u.. hope u will get it..
see diagram..