Which of the following is the wavelength of the radiation generated when an air stream containing sulphur di-oxide is burned in a hydrogen-rich flame?
A. 243 nm
B. 394 nm
C. 467 nm
D. 516 nm
Answer:B
Which of the following is the wavelength of the radiation generated when an air stream containing sulphur di-oxide is burned in a hydrogen-rich flame?
A. 243 nm B. 394 nm C. 467 nm D. 516 nm
Explanation: The wavelength of the radiation generated when an air stream containing sulphur di-oxide is burned in a hydrogen-rich flame is 394 mm. A narrow band interference filter is used to shield radiations with all other wavelengths.