Math Chapter Wise question with answer

Q01 If a unit vector â makes angles π 3 with î, π 4 with ĵ and () θ 0, π ∈ with k̂, then value of θ is: English · EMRS PGT-2023 Q02 If a,b,c are unit vectors, then 2 2 2 ˆ ˆ ˆ ˆ ˆ ˆ a b b c c a − + − + − does not exceed: English · NVS PGT 2022 Q03 If a and b are unit vector, then correct statement is- English · RPSC PGT 2022 Q04 If a, b and c are unit vectors such that a + b + c = 0, then the value of a. b + b. c + c.a is: English · KVS PGT 2023 Q05 A,BandC are unit vectors. A is perpendicular to both B and C and angle between B and C is 30º. Then vector A is - English · RPSC PGT 2022 Q06 a;b;c are unit vectors b and c are non collinear vector. If a × (2b ×c) =b, then angle between a and b is - English · RPSC PGT 2022