Data Structures Algorithms-II MCQs

Page No. 57

What is the general formula for finding the magnitude of the cross product of two vectors a and b with angle θ between them?


a|a|.|b|

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b|a|.|b| cos(θ)

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c|a|.|b| sin(θ)

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d|a|.|b| tan(θ)

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View Answer |a|.|b| sin(θ)

What is the magnitude of resultant of cross product of two parallel vectors a and b?


a|a|.|b|

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b|a|.|b| cos(180)

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c|a|.|b| sin(180)

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d1

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View Answer |a|.|b| sin(180)

Cross product is also known as?


ascalar product

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bvector product

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cdot product

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dmultiplication

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View Answer vector product

Cross product is a mathematical operation performed between ________________


a2 scalar numbers

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ba scalar and a vector

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c2 vectors

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dany 2 numbers

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View Answer 2 vectors

The time is taken to find the ‘n’ points that lie in a convex quadrilateral is?


aO(N)

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bO(N log N)

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cO(N2)

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dO(log N)

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View Answer O(N)

Who formulated quick hull algorithm?


aEddy

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bAndrew

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cChan

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dGraham

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View Answer Eddy

Which of the following algorithms is similar to a quickhull algorithm?


amerge sort

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bshell sort

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cselection sort

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dquick sort

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View Answer quick sort

To which type of problems does quick hull belong to?


anumerical problems

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bcomputational geometry

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cgraph problems

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dstring problems

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The quick hull algorithm runs faster if the input uses non- extreme points.


atrue

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bFalse

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ceither A. or B.

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d None of these

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View Answer true

Which of the following statement is not related to quickhull algorithm?


afinding points with minimum and maximum coordinates

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b dividing the subset of points by a line

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celiminating points within a formed triangle

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d finding the shortest distance between two points

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