Question 1The vertical plane containing the magnetic field is calledA.Magnetic meridianB.Magnetic equatorC.Neutral planeD.Magnetic planeObjective Show full explanation
Question 2When a battery is included in a complete circuit, the voltage across its terminals is referred to as theA.EmfB.Terminal voltageC.Power D.ResistanceObjective Show full explanation
Question 3Which of the following is an example of a beam of light A.Parallel beam B.Convergent beamC.Divergent beam D.All of theseObjective Show full explanation
Question 4Which of the following is correct for the image of an object placed at the centre of curvature of a concave mirror?A.Same size, real, invertedB.layer, real, virtualC.larger, virtual, uprightD.Same size, virtual, erectObjective Show full explanation
Question 5A circular disc is divided into seven parts with each part consisting of one of the colours in the spectrum of white light. What colour will be observed if the disc is rotated at high speed?A.White B.RedC.Violet D.IndigoObjective Show full explanation
Question 6From the top of a pole, the angle of depression of a point 200m away from the foot of the pole is measured to be 45°. The height of the pole isA.350mB.182mC.262mD.200mObjective Show full explanation
Question 7The heat required to melt a unit mass of a material of standard atmospheric pressure without changing its temperature is known asA.Heat of iceB.Heat of meltingC.Heat of fusionD.Heat of vaporisationObjective Show full explanation
Question 8The bending of light rays as it travels from one medium to another is referred to as.......A.ReflectionB.RefractionC.Diffraction D.DispersionObjective Show full explanation
Question 9Which of the following substance will not obey the general rule of a substance expanding when heated and contracts when cooled?A.SteelB.CopperC.WaterD.IronObjective Show full explanation
Question 10In the absolute temperature scale, the melting point of ice is equivalent to......A.80kB.212kC.273kD.312kObjective Show full explanation
Question 11In what range of temperature is the expansion of water anomalous?A.96°C to 100°CB.10°C to 32°CC.-4°C to 0°CD.0°C to 4°CObjective Show full explanation
Question 12....... is for rotational motion as mass is for linear motionA.mass B.torqueC.moment of inertia D.Inertia.Objective Show full explanation
Question 13The purest form of iron isA.Pig iron B.Cast IronC.Wrought iron D.Rust ironObjective Show full explanation
Question 14Which of the following radioactive emission has the least ionizing power A.AlphaB.Beta C.Gamma D.X-raysObjective Show full explanation