Data Structures Algorithms-II MCQs

Page No. 56

What is the runtime efficiency of using brute force technique for the closest pair problem?


aO(N)


b O(N log N)


cO(N2)


dO(N3 log N)


View Answer O(N2)

Which approach is based on computing the distance between each pair of distinct points and finding a pair with the smallest distance?


aBrute force


bExhaustive search


cDivide and conquer


dBranch and bound


View Answer Brute force

Which of the following areas do closest pair problem arise?


acomputational geometry


bgraph colouring problems


cnumerical problems


dstring matching



Which of the following operation will give a vector that is perpendicular to both vectors a and b?


aa x b


ba.b


cb x a


dboth a x b and b x a


View Answer both a x b and b x a

What will be the cross product of the vectors 2i + 3j + k and 6i + 9j + 3k?


a i + 2j + k


bi – j – 5k


c0


d2i – j – 5k


View Answer 0

What will be the cross product of the vectors 2i + 3j + k and 3i + 2j + k?


ai + 2j + k


b2i + 3j + k


ci + j – 5k


d2i – j – 5k


View Answer i + j – 5k

The resultant vector from the cross product of two vectors is _____________


aperpendicular to any one of the two vectors involved in cross product


bperpendicular to the plane containing both vectors


cparallel to to any one of the two vectors involved in cross product


dparallel to the plane containing both vectors



Cross product of two vectors can be used to find?


aarea of rectangle


barea of square


carea of parallelogram


dperimeter of rectangle


View Answer area of parallelogram

Which of the following equals the a x b ( a and b are two vectors)?


a– (a x b)


ba.b


cb x a


d– (b x a)


View Answer – (b x a)

The concept of cross product is applied in the field of computer graphics.


atrue


bFalse


ceither A. or B.


d None of these


View Answer true

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