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Question
Physics
Continuous emission spectrum is produced by
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Q. Continuous emission spectrum is produced by
KCET
KCET 2009
Atoms
A
Mercury vapour lamp
13%
B
Sodium vapour lamp
19%
C
The Sun
35%
D
Incandescent electric lamp
33%
Solution:
Incandescent electric lamp produces continuous emission spectrum whereas mercury and sodium vapour give line emission spectrum. Polyatomic substances such as $H _{2}, CO _{2}$ and $KMnO _{4}$ produces band absorption spectrum.