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Question
The dark lines in the solar spectrum are due to
Options:
A .  Absorption of corresponding wavelengths by the outer layers of the sun.
B .  Destructive interference between waves of certain definite wavelengths.
C .  Absorption of corresponding wavelengths by the prism used in the photograph.
D .  Absence of corresponding wavelengths from the light emitted by the core of the sun.
Answer: Option A
Absorption of corresponding wavelengths by the outer layers of the sun.

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