Wave Nature of Light
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13 Terms
Light waves are electromagnetic __ waves.
transverse
The velocity of light waves through vacuum is __.
300000 km/sec (3 x 108 m/sec)
__ is the distance covered by light in one second.
Speed of light
The visible light wavelength ranges between __.
380 : 700 nanometre
__ proved that the energy of light waves is composed of energy quanta known as photons.
Max Planck
Photon energy is directly proportional to the __.
frequency of the light wave
The constant value in the photon energy equation is known as __.
Planck's constant
A __ medium permits most light to pass through.
transparent
A __ medium permits only a part of light to pass through.
translucent
An __ medium doesn't permit light to pass through.
opaque
Light propagates through transparent media in __ lines.
straight
__ is the quantity of light falling perpendicular to a unit area of a surface in one second.
Light intensity
The light intensity of a surface is inversely proportional to the __ of the distance between the surface and the source of light.
square
Note 
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