A blue-light photon has a wavelength of

1 answer:

8 0

Energy = hc/λ, where h is planck's constant, c is the speed of light and λ is the wavelength.

Energy = （6.626 x 10^-34*3.00 x 10^8)/（4.80 × 10^−7）= 4.14*10^-19 J, which is 3.

Normally, when solving these equations, don't forget to check the units are correct (eg. wavelength is in meters) and dont forget to include the units in the calculation.

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Answer:

The correct option is c.

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