I. All elements emit and absorb characteristic spectra.
II. Spectral analysis is an important method of identifying environmental pollutants.
III. The chemical composition of stars could be determined using spectral analysis.

Which of the statements above are correct?

Similar Questions

Which of the following will increase the boiling point of water? I. Taking it to a high alti...

A man stands one-third of the way between two walls and claps his hands, He hears two distinct echoe...

One special advantage of alcohol over mercury as a thermometric liquid is its? ...

The engine of a train produces a force of 3000N when moving at 30.ms-1. calculate the power of the e...

Ice cubes are added to a glass of warm water. The glass and water are cooled by ...

In the diagram shown, If the south-poles of two magnets stroke a steel bar, the polarities at T and ...

Formation of hydrogen bubbles at the copper plate of a primary cell is called? ...

The following statements are advantages of a solid dielectric material between the plates of a capac...

In the formation of sea breeze, wind blows from? ...

Two forces whose resultant is 100N, are at right angle to each other. If one of them makes an angle ...