Question

Calculate the energy of a photon of sodium light of wavelength 5.862 into 10 raise to the power minus 16 m in joules

Answer 1

Answer:

wavelength* frequency = c

5.86x10-10 m* frequency = 3x108m/s

frequency = 3x108/5.86x10-10 s-1

= 0.512x1018 s-1

E=hv

= 6.626x10-34 * 0.512x1018

= 3.392x10-16 J

Explanation:

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Answer 2

Given - Wavelength

Find - Energy

Solution - Energy can be calculated by the formula -

E = planck's constant*speed of light/wavelength

Planck's constant = 6.6*10-³⁴ Joules second

Speed of light = 3*10⁸ m/s

Wavelength = 5.862*10-¹⁶ m

Keep the values in formula to find the energy of photon.

Energy = 6.6*10-³⁴*3*10⁸/5.862*10-¹⁶

Energy = 1.98*10-²⁵/5.862*10-¹⁶

Energy = 3.4*10-¹⁰ Joules

Hence, the energy of photon of sodium light is 3.4*10-¹⁰ Joules.