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1. Which of the foillowing is true about the disk true about the disk method and

ID: 2855201 • Letter: 1

Question



1. Which of the foillowing is true about the disk true about the disk method and the shell method? the disk method the representative rectangle of plane region is parañel to the in the shell method they are perpendicular (a) in the disk rotation axis, while i the disk method the representative rectangle of plane region is perpendicular to the rotation axis, while in the shell method the (b) In the disk method the rep (c) In both methods, the r (d) In both methods, the rep y are parallel. methods, the representative rectangle of plane reglon is paraiel to the rotation axis resentative rectanele of plane regian is perpendicular to the rotation axis

Explanation / Answer

In the case of disk or dish-washer method, the rectangular are stacked horizontally to the rotation axis and in the case of shell methods, the rectangels are kept perperndicular to the axis of rotation

Hence the correct answer is Option A