Unit of energy is :

(1) J/sec

(2) Wattday

(3) Kilowatt

(4) gm​-​cm/sec2

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Which is the correct unit for measuring nuclear radii

(1) Micron

(2) Millimetre

(3) Angstrom

(4) Fermi

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Mach number is equal to one when velocity of object is equal to:

(1) Velocity of light

(2) Velocity of sound (332  m/sec)

(3) 1  km/sec

(4) 1m/sec

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Volt/metre is the unit of 

(1) Potential

(2) Work

(3) Force

(4) Electric field intensity

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Newton/metre2 is the unit of 

(1) Energy

(2) Momentum

(3) Force

(4) Pressure

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The unit of surface tension in SI system is

(1) Dyne/cm2

(2) Newton/m

(3) Dyne/cm

(4) Newton/m2

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The unit of self inductance of a coil is 

(1) Farad

(2) Henry

(3) Weber

(4) Tesla

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Henry/ohm can be expressed in 

(1) Second

(2) Coulomb

(3) Mho

(4) Metre

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The SI unit of momentum is 

(1) kgm

(2) kg.msec

(3) kg.m2sec

(4) kg×Newton

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The velocity of a particle depends upon as v=a+bt+ct2; if the velocity is in m/sec, the unit of a will be 

(1) m/sec

(2) m/sec2

(3) m2/sec

(4) m/sec3

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