1.

Distinguish between emission spectra and absorption spectra.

Answer»

Solution :Emission spectra : When an OBJECT is strongly heated, it starts to emit LIGHT. When the emitted light is SUBJECTED to depression, emission spectrum is obtained.
Atomic spectra: When an atom of an element is strongly heated, it starts emitting light energy in different REGION. This emitted light when dispersed, a large NUMBER of closely spaced lines where formed they are called atomic spectra.


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