Mechanics
Units & Measurement and DimensionsVector AlgebraMotion in a Straight LineMotion in a PlaneLaws of MotionCircular MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionGravitationSimple Harmonic MotionFluid MechanicsElasticityWavesHeat and ThermodynamicsOptics
Ray OpticsWave OpticsElectromagnetism
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentElectromagnetic WavesModern Physics
Atoms and NucleiDual Nature of RadiationSemiconductor Devices and Logic GatesCommunication SystemsVector Algebra
Practice QuestionsMCQ (Single Correct Answer)
1
Among the given pair of vectors, the resultant of two vectors can never be 3 units. The vectors are
KCET 2024
2
If $\mathbf{A}=2 \hat{\mathbf{i}}+3 \hat{\mathbf{j}}+8 \hat{\mathbf{k}}$ is perpendicular to $\mathbf{B}=4 \hat{\mathbf{j}}-4 \hat{\mathbf{i}}+\alpha \hat{\mathbf{k}}$, then the value of $\alpha$ is
KCET 2017