Statement - I :- Let the vector a^{\to} = i^{\^}+j^{\^}+k^{\^} vertical. The line of greatest slope on a plane withnormal b^{\to} = 2i^{\^}-j^{\^}+k^{\^} is along the vector i^{\^}-4j^{\^}+2k^{\^} Statement - II :- If a^{\to} is vertical then the line of greatest slope on a plane with normal b^{\to} is along the vector (a^{-}\timesb^{-})\timesb^{-}

Correct Answer is : Statement - 1 is false, Statement - 2 is true

Both Statement - 1 and Statement - 2 are true and Statement - 2 is the correctexplanation of Statement - 1

Both Statement - 1 and Statement - 2 are true but Statement - 2 is not thecorrect explanation of Statement - 1

Statement - 1 is true, Statement - 2 is false

Statement - 1 is false, Statement - 2 is true

JEE Mains Model Paper 23

Question : 37 of 90

Marks: +1, -0

Statement - I :- Let the vector

→

vertical. The line of greatest slope on a plane withnormal

→

= 2

−

is along the vector

−4

Statement - II :- If

→

is vertical then the line of greatest slope on a plane with normal

→

is along the vector (

−

)×

−

Both Statement - 1 and Statement - 2 are true and Statement - 2 is the correctexplanation of Statement - 1
Both Statement - 1 and Statement - 2 are true but Statement - 2 is not thecorrect explanation of Statement - 1
Statement - 1 is true, Statement - 2 is false
Statement - 1 is false, Statement - 2 is true

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