Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Environmental Science Environmental Chemistry Analytical Methods
Which of the following statements is NOT correct with regard to chemical analysis by flame photometer?
1
The intensity of the colour tells us the amount of the element present.
2
The wavelength of the colour identifies the element present.
3
The ions absorb the energy from the flame and get excited.
4
When ion returns from excited state to ground state, it absorbs the radiation of a characteristic frequency.