Question

At the time of total solar eclipse, the spectrum of solar radiation will have :

• A. All Fraunhofer lines changed into bright coloured lines
• B. no lines at all
• C. a smaller number of dark Fraunhofer lines
• D. a large number of dark Fraunhofer lines

Answer 1

Answer: (A)

All Fraunhofer lines changed into bright coloured lines

Answer 2

We know that when the total solar eclipse occurs, the photosphere is covered. Emission lines from vapours of elements present in chromospheres appears as coloured bright lines. Therefore, all fraunhofer lines are converted into bright coloured lines.