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Question : Which of the following systems of units is not based on units of mass,length and time alone SI MKS kWh kWH

Question : Which of the following is not a unit of time Solar year Tropical year Leap year Light Year

Question :Illuminance of a surface is measured by Lumen Candela Lux lux per meter sq.

Question :The ampere second is a unit of current charge energy power

Question :The SI unit of coefficient of mutual Inductance of a coil is Henry volt Farad weber

Question :SI unit of magnetic flux is guass weber oersted ampere/meter

Question :Light year is Light emitted by sun in one year Time taken by light to travel from sun to earth The distance travelled by light in free space in one year Time taken by earth to go once around the sun

Question :Electron volt is the unit of potential difference charge energy capacity

Question : Unit of power is kilowatt hour kilowatt per hour kilowatt erg

Question :Which one is not a dimensional unit Acceleration due to gravity Surface tension of water Velocity of light Reynold's number

Question :Which is dimensionless? force/acceleration velocity/accleration volume/area energy/work

Question :Potential is measured in joules/coloumb watt/coloumb newton-second none of these

Question :Maxwell is unit of Magnetic susceptibility Intensity of Magnetization Magnetic Flux Magnetic Permeability

Question :One second is equal to 1650763.73 periods of krypton clock 652189.63 periods krypton clock 1650763.73 periods of Cesium clock 9192631770 periods of Cesium clock

Question :Which of the following equations is dimensionally correct? pressure = energy per unit volume pressure = energy per unit area force per unit volume pressure = momentum per unt volume

Question :Which physical quantities have same dimension Moment of couple and work Force and power latent heat and specific heat work and power

Question :If e is charge ,V, is potential difference,T,the temperature,the units of ev/T are same as Planck's constant Stefan's constant Boltzman's constant Gravitatioanal constant

Question :A cube has numerically equal volume and surface are.The volume of such a cube is 1000 unit 200 unit 216 unit 300 unit

Question :Subtract 0.2 J from 7.26 J and express the result with correct number of significant figures 7.1 J 7.06 J 7.0 J 7 J

Question :Multiply 107.88 by 0.610 and express the result with correct number of significant figures 65.8068 65.807 65.81 65.8

Question :When 97.52 is divided by 2.54 ,the correct result is 38.3937 38.394 38.39 38.4

Question :The radius of a thinn wire is 0.16 mm.The area of cross section of the wire in sq. mm with correct number of significant figures is 0.08 0.080 0.0804 0.80384

Question :Identify the vector quantity Time Work Heat Angular momentum

Question :Identify the acalar quantity force Displacement acceleration work

Question :Which of the following quantity is scalar Electric field Electrostatic potential Angular momentum Velocity

Question :Volume is scalar vector neither scalar nor vector both scalar and vector

Question : Surface is scalar vector neither scalar nor vector both scalar and vector

Question : 1 calorie of heat is equivalent to 4.2joule. One BTU(British Thermal Unit) is equlivalent to
1055joule. The value of one BTU in calorie is 251.2 calorie 200 calorie 263 calorie None of these

Question : One millimeter of hg pressure is equlvalent to one torr and one torr is equivalent to 133.3M/m^{2}.
The atmospheric pressure in millimeter of hg pressure is 70mm 760mm 3.76mm None of these.

Question : The height of man is 5.87532feet. But measurement correctupto 3 significant figure.
The correct height is 5.86 feet 5.87 feet 5.88 feet 5.80 feet