If a gas is excited by high voltage to produce a discharge and the light is examined in a spectrometer

Similar Questions

A proton of wavelength \(\lambda_o\) is emitted when an electron in an atom makes a transition from ...

In the diagram above a beam of white light travels from a rare to a dense medium. What colours of li...

The sagging of overhead electrical cables is the consequence of ...

A given quantity of heat increases the temperature of 150grams of water from 9oC to 15oC and increas...

Which of the following statements about the Galilean telescope is not correct? ...

A progressive wave has a wavelength of 50cm. calculate the phase difference between two points at a ...

A sealed flask contains 600cm3 of air at 27°C and is heated to 35°C at constant pressure. Th...

Which of the following devices is used for storing electric charges? ...

the fig above shows displacement-time graphs for three different motions. which of the following sta...

According to Pascal's principle, the pressure in a fluid is always? ...