A) continuous spectrum
B) Fraunhofer lines
C) emissive spectrum
D) none of the above
Correct Answer: A
Solution :
A spectrum in which no frequencies between its limits are missing is called continuous spectrum. In this spectrum wavelengths of all colours from red to violet are present. There is no dark space between these colours and the colours are so intermixed that there is no definite line of separation between two colours. Continuous spectrum is obtained from sun, incandescent solids, candle flame etc. The range of spectrum depends upon the temperature of the substance.
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