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|


b|a|.|b| cos(θ)


c|a|.|b| sin(θ)


d|a|.|b| tan(θ)


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|


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


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


d1


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

Cross product is also known as?


ascalar product


bvector product


cdot product


dmultiplication


View Answer vector product

Cross product is a mathematical operation performed between ________________


a2 scalar numbers


ba scalar and a vector


c2 vectors


dany 2 numbers


View Answer 2 vectors

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


aO(N)


bO(N log N)


cO(N2)


dO(log N)


View Answer O(N)

Who formulated quick hull algorithm?


aEddy


bAndrew


cChan


dGraham


View Answer Eddy

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


amerge sort


bshell sort


cselection sort


dquick sort


View Answer quick sort

To which type of problems does quick hull belong to?


anumerical problems


bcomputational geometry


cgraph problems


dstring problems



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


atrue


bFalse


ceither A. or B.


d None of these


View Answer true

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


afinding points with minimum and maximum coordinates


b dividing the subset of points by a line


celiminating points within a formed triangle


d finding the shortest distance between two points



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