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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 25 - Electromagnetic Waves > The wave of wavelength 5900Å emitted by any atom or molecule must have some finite total length which known as coherence length. For sodium light, this length is 2.4cm. The number of oscillation in this length will be,

The wave of wavelength 5900Å emitted by any atom or molecule must have some finite total length which known as coherence length. For sodium light, this length is 2.4cm. The number of oscillation in this length will be,

The wave of wavelength 5900Å emitted by any atom or molecule must have some finite total length which known as coherence length. For sodium light this length is 2.4cm. The number of oscillation in this length will be