Class 11

2. Vector question bank (Physics)

Practice 273 free Class 11 Physics - 2. Vector questions with answers and step-by-step solutions.

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Q1.

In CHâ‚„ molecule, there are four C"“ H bonds. If two adjacent bonds are in 𝐢̂ + 𝐣̂ + 𝐤̂ and 𝐢̂ − 𝐣̂ − 𝐤̂ direction, then find the angle between these bonds.

(A)
sin⁻¹(−1/3)
(B)
cos⁻¹(1/3)
(C)
sin⁻¹(1/3)
(D)
cos⁻¹(−1/3)
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Q2.

Two vector A⃗ and B⃗ have magnitude 3 each. A⃗ × B⃗ = "“5kÌ‚ + 2iÌ‚. Find angle between A and B

(A)
cos⁻¹(√29/9)
(B)
tan⁻¹("“5/2)
(C)
sin⁻¹(2/5)
(D)
sin⁻¹(√29/9)
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