19. The frequency of orange light is 5.01 x 10^14 Hz. How much energy does a photon of orange light carry? (h = 6.626 x 10-34 J·s; 1 eV = 1.60 x 10^-19 J)
3.32 eV
5.43 eV
2.07 eV
7.56 eV

Respuesta :

The energy a photon of the orange light carries is 3.32 eV.

What is the energy of a photon?

The energy possessed by the photon incident on a surface is the energy of the photon. It is denoted by [tex]E[/tex].

Energy is related to frequency as

[tex]E=h\nu[/tex]

where h is the plank's constant, [tex]h = 6.626 \times10^{-34} \; \rm Js[/tex]

[tex]\nu=5.01\times10^{14} \:\rm Hz[/tex]

Energy will be

[tex]E= 6.626 \times10^{-34} \times\55.01\times10^{14}\\E=\333.2\times10^{-20} \rm J[/tex]

Given,

[tex]1\rm eV = 1.60 \times 10^{-19} \rm J[/tex]

Energy in eV is

[tex]E=\frac{33.2\times10^{-20}}{ 1.60 \times 10^{-19} \rm J} \\E=3.32 \rm eV[/tex]

Therefore, the energy of the photon in eV is 3.32 eV.

Learn more about the energy of a photon.

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