Unit of energy in SI system is
(1) Erg
(2) Calorie
(3) Joule
(4) Electron volt
A cube has a numerically equal volume and surface area. The volume of such a cube is :
1. 216 units
2. 1000 units
3. 2000 units
4. 3000 units
Wavelength of ray of light is . It is equal to
(1)
(2)
(3)
(4)
Electron volt is a unit of
(1) Charge
(2) Potential difference
(3) Momentum
(4) Energy
Temperature can be expressed as a derived quantity in terms of any of the following:
1. | Length and mass | 2. | Mass and time |
3. | Length, mass, and time | 4. | None of the above |
Unit of power is:
(1) Kilowatt
(2) Kilowatt-hour
(3) Dyne
(4) Joule
The density of wood is in the CGS system of units. The corresponding value in MKS units is :
(1) 500
(2) 5
(3) 0.5
(4) 5000
Which is the correct unit for measuring nuclear radii
(1) Micron
(2) Millimetre
(3) Angstrom
(4) Fermi
Volt/metre is the unit of
(1) Potential
(2) Work
(3) Force
(4) Electric field intensity
The unit of self inductance of a coil is
(1) Farad
(2) Henry
(3) Weber
(4) Tesla