Related Questions
A physical quantity u is given by the relation here, B=magnetic field strength magnetic permeability of vacuum.
Energy
Energy density
Pressure
None of these
The unit of permittivity of free space is
C²/N⋅m²
F/m
N⋅m²/C²
H/m
SI unit of intensity of wave is
Wavelength of ray of light is 0.00006 m. It is equal to
6 micron
60 micron
600 micron
0.6 micron
The dimensions of are same as
electric field intensity
electric flux density
pressure
electric potential
Temperature can be expressed as a derived quantity in terms of any of the following
Length and mass
Mass and time
Length, mass and time
None of these
Precision in measurement depends on
Zero error
Parallax
Calibration of instrument
Least count of instrument
What is the power of a 100 W bulb in CGS units?
Unit of stress is
N/m
N-m
Light year is a unit of
Time
Mass
Distance
Energy