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The energy of a photon in Joules that has a wavelength of 9.0 m is:
  • a)
    6.0 ×10-23
  • b)
    4.5 ×1025
  • c)
    4.5 × 10-25
  • d)
    2.2 ×10-26
Correct answer is option 'D'. Can you explain this answer?
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The energy of a photon in Joules that has a wavelength of 9.0 m is:a)6...

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The energy of a photon in Joules that has a wavelength of 9.0 m is:a)6...
The energy of a photon can be calculated using the equation:

E = hc/λ

where E is the energy of the photon, h is the Planck's constant (6.626 x 10^-34 J·s), c is the speed of light (3.00 x 10^8 m/s), and λ is the wavelength of the photon.

Given that the wavelength of the photon is 9.0 m, we can substitute the values into the equation:

E = (6.626 x 10^-34 J·s)(3.00 x 10^8 m/s)/(9.0 m)

Simplifying the equation, we get:

E = (6.626 x 10^-34 J·s)(3.33 x 10^7)

E = 2.20 x 10^-26 J

Therefore, the energy of the photon with a wavelength of 9.0 m is 2.2 x 10^-26 J.

Explanation:

- Equation for calculating the energy of a photon.
- Substituting the given values into the equation.
- Simplifying the equation to calculate the energy.
- Final answer is 2.2 x 10^-26 J.
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