Question

Yellow Light Emitted From A Sodium Lamp Has A Wavelength Of 580 nm Calculate The Frequency ​

Answer 1

$\fbox{ \fbox{ \huge{\bold{Given :- \: }}}}$

$\bold{Wavelength \: = 580 \: nm = 580 \times {10}^{ - 9} \: \: meter }$

$\fbox{ \fbox{ \huge{ \bold{To \: Find :- \: }}}}$

$\bold{Frequency = ? \: }$

$\fbox{ \fbox{ \huge{ \bold{Solution :- \: }}}}$

$\bold{Frequency = \frac{Velocity \: of \: Light \: }{Wavelength \: } \: } \\ \\ \bold{Frequency = \frac{3 \times {10}^{8} }{580 \times {10}^{ - 9} } } \\ \\ \bold{Frequency = 0.00517 \times {10}^{17} } \\ \\ \bold{Frequency = 517 \times {10}^{12} }$

Answer 2

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Yellow light emitted from a sodium lamp has a wavelength of 580 nm calculate the frequency ( v) and wave number ( ) of the yellow light. Wave number = it is defined as the number of wavelengths which can be accommodated in 1cm length along the direction of propagation.

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