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If a gas is excited by high voltage to produce a discharge and the light is examined in ...
Classroom
Physics Classroom
Waec
Waec 2007
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If a gas is excited by high voltage to produce a discharge and the light is examined in a spectrometer
SchoolNGR Classroom
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
A
An explosion is observed
B
The rainbow colours are seen
C
An emission spectrum is observed
D
Dark lines are observed
Show Answer
Show Explanation
Correct Answer:
Option C
Explanation:
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