Universal time is based on :
(1) Rotation of the earth on its axis
(2) Earth's orbital motion around the Sun
(3) Vibrations of cesium atom
(4) Oscillations of quartz crystal
Unit of moment of inertia in MKS system
(1)
(2)
(3)
(4)
Curie is a unit of
1. Energy of -rays
2. Half life
3. Radioactivity
4. Intensity of -rays
Hertz is the unit of
(1) Frequency
(2) Force
(3) Electric charge
(4) Magnetic flux
In SI, Henry is the unit of
(1) Self inductance
(2) Mutual inductance
(3) (1) and (2) both
(4) None of the above
The unit of is
(1) Joule
(2) Joule-Coulomb
(3) Volt–Coulomb
(4) Joule/Coulomb