What is the energy (in joules) of an ultraviolet photon with wavelength 110 nm? express your answer using two significant figures. submit request answer part b what is its frequency? your answer using two significant figures

E = 1.81 × 10⁻¹⁸ J

ν = 2.73 × 10¹⁵ Hz

Step-by-step explanation:

We can calculate the frequency (ν) of an ultraviolet photon with wavelength (λ) 110 nm, using the following expression.

c = λ . ν

where,

c is the speed of light

ν = c / λ

ν = (3.00 × 10⁸ m/s) / 110 × 10⁻⁹ m

ν = 2.73 × 10¹⁵ s⁻¹ = 2.73 × 10¹⁵ Hz

We can calculate the energy (E) of the photon using the Planck-Einstein equation.

E = h × ν

where,

h is the Planck's constant

E = h × ν

E = 6.63 × 10⁻³⁴ J.s × 2.73 × 10¹⁵ s⁻¹

E = 1.81 × 10⁻¹⁸ J

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