Question

Among the following, discrete emission spectrum is given by
a) Incandescent electric bulb
b) Sun
c) Mercury vapour lamp
d) Candle​

Answer 1

Among the following, discrete emission spectrum is given by Mercury Vapour Lamp.

• Mercury Vapour Lamp is defined as the gas discharge lamp which uses an electric arc by means of vaporized mercury to generate light.

• When it is cause to undergo dispersion, gives line emission spectrum.

• They are typically used for commercial and outdoor lighting purpose.

• Mercury Vapour Lamp is known to be as the original metal vapour style of light fixture to be mass produced for general purpose lighting.