UGC NET Dec2020 and June2021 Paper2
October 17, 2023Candidatekey
October 17, 2023UGC NET Dec2020 and June2021 Paper2
Question 14

Which of the graphs is/are planar?
choose the correct answer from the options given below:
choose the correct answer from the options given below:
A and B only


A only


B and C only


B only

Question 14 Explanation:
A planar graph is a graph that can be embedded in the plane, i.e., it can be drawn on the plane in such a way that its edges intersect only at their endpoints.
In other words, it can be drawn in such a way that no edges cross each other.
OptionA is planar.
OptionB is planar
OptionC is non planar
In other words, it can be drawn in such a way that no edges cross each other.
OptionA is planar.
OptionB is planar
OptionC is non planar
Correct Answer: D
Question 14 Explanation:
A planar graph is a graph that can be embedded in the plane, i.e., it can be drawn on the plane in such a way that its edges intersect only at their endpoints.
In other words, it can be drawn in such a way that no edges cross each other.
OptionA is planar.
OptionB is planar
OptionC is non planar
In other words, it can be drawn in such a way that no edges cross each other.
OptionA is planar.
OptionB is planar
OptionC is non planar
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