s601674 s601674
  • 25-10-2018
  • Chemistry
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A wave has an energy of 1.5x10^3 J. Find its wavelength?

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znk znk
  • 25-10-2018

Answer:

1.3 × 10⁻²⁸ m

Explanation:

The equation relating the energy (E) and the wavelength (λ) of a wave is  

[tex]E =\frac{hc}{\lambda}[/tex]

where h = Planck’s constant and c = the speed of light

[tex]\lambda =\frac{6.626 \times 10^{-34}\text{ J}\cdot \text{s} \times 2.998 \times 10^{8} \text{ m} \cdot \text{s}^{-1}}{1.5 \times 10^{3} \text{ J}} = 1.3 \times 10^{-28}\text{ m}[/tex]

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