Multiple Choice
Isolated bells ring clear,while bells crammed in a box have a muffled ring.If the sound of isolated bells is analogous to light from a gas discharge tube,then sound from the box crammed with bells is analogous to light from
A) a laser.
B) a fluorescent lamp.
C) an incandescent lamp.
D) a phosphorescent source.
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
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