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Spectra And Optical Instruments Absorption - Questions and Answers

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1. Fraunhoffer lines are
A. continuous spectrum
B. emission lines in solar spectrum
C. absorption lines in solar spectrum
D. emission lines from chromospheres of the sun
Explanation:
2. A pure green glass when placed in the path of white light gives out
A. continuous absorption spectrum
B. absorption spectrum
C. line spectrum
D. line absorption spectrum
Explanation:
3. The dark lines found in the solar spectrum are called
A. solar lines
B. Raman lines
C. Fraunhoffer lines
D. Stoke’s lines
Explanation:
4. Solar spectrum is an example of
A. continuous spectrum
B. absorption spectrum
C. line absorption spectrum
D. continuous absorption spectrum
Explanation:
5. The temperature of the Sun in the two regions, photosphere and chromospheres respectively are
A. 6000°C and 10,000°C
B. 6 million °C and 14 million °C
C. 6000°C and 10 million °C
D. 14 million °C and 6000°C
Explanation:
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