Wave Nature of Light

Flashcards about wave nature of light

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