Magnitude
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Magnitude
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Magnitude
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In
Mathematics
, the
Magnitude
of an object is a
Non-negative
Real Number
associated with that object.
In
Physics
, the
magnitude of a
Vector
is a
Scalar
in the physical sense, i.e. a
Physical Quantity
independent of the
Coordinate System
, expressed as the
Product
of a
Numerical Value
and a
Physical Unit
, not just a number.
In
Astronomy
,
Magnitude
refers to the
Logarithm
ic measure of the brightness of an object, measured in a specific
Wavelength
or passband, usually in
Optical
or near-
Infrared
wavelengths. Two specific types of magnitudes distinguished by astronomers are '''
Apparent Magnitude
''' and '''
Absolute Magnitude
'''. Furthermore, the term may also refer to the '''
Magnitude Of An Eclipse
'''.
In
Seismology
, the
magnitude
is a logarithmic measure of the energy released during an
Earthquake
. See
Richter Scale
and
Moment Magnitude Scale
.