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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
- IIT JAM
- Physics (PH)
Solid state physics
A B Refer to the figure above. If the z-axis points out of the plane of the paper towards you, the triangle marked A' can be transformed (and suitably re-positioned) to the triangle marked 'B by (a) rotation about x-direction by r/2, then rotation by -r/2 in the yz-plane b) rotation about z-direction by /2, then reflection in the yz-plane (c)reflection in the yz-plane, then rotation byr/2 about z-direction (d) reflection in the xz-plane, then rotation by - r/2 about z-direction
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Dhairya sharma
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z axis in air so rotate triangle about z axis in clockwise direction by 90 degree you will get another triangle these questions you have to imagine by your imagination
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Mahak
in this imagine z axis in air so rotate triangle about z axis in clockwise direction by 90 degree you will get another triangle these questions you have to imagine by your imagination
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Ruby negi Best Answer
see this... note, first u rotate A by angle 90 about z axis then reflection about yz... for checking reflection ,u can take a mirror and put it at all sides of triangle, when u get the desired figure ,note that plane...
hope this will help u..
hope this will help u...