Mechanics
Units & MeasurementMotion in a Straight LineMotion in a PlaneLaws of MotionCircular MotionWork, Energy and PowerCenter of Mass and CollisionRotational MotionGravitationProperties of MatterHeat and ThermodynamicsOscillationsWavesElectricity
ElectrostaticsCurrent ElectricityCapacitorMoving Charges and MagnetismMagnetism and MatterElectromagnetic InductionAlternating CurrentOptics
Geometrical OpticsWave OpticsModern Physics
Atoms and NucleiDual Nature of Radiation and MatterSemiconductor ElectronicsCommunication SystemsMotion in a Plane
Practice QuestionsMCQ (Single Correct Answer)
1
Assertion The maximum height of projectile is always 25% of the maximum range.
Reason For maximum range, projectile should be projected at 90°.
AIIMS 2018
2
Assertion : When $$\theta=45^{\circ}$$ or $$135^{\circ}$$, the value of $$R$$ remains the same, only the sign changes.
Reason : $$R=\frac{u^2 \sin 2 \theta}{g}$$
AIIMS 2017