The value of Planck's constant is 6.63 × 10⁻³⁴ J s. The speed of light is 3 × 10¹⁷ nm s⁻¹. Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 6 × 10¹⁵ s⁻¹?

Question

Dr. Abubacker · Accepted Answer

[Solution from source] λ = c/ν = (3 × 10¹⁷ nm s⁻¹)/(6 × 10¹⁵ s⁻¹) = 50 nm. Planck's constant is not needed to find the wavelength. Answer (3).

Q. The value of Planck's constant is 6.63 × 10⁻³⁴ J s. The speed of light is 3 × 10¹⁷ nm s⁻¹. Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 6 × 10¹⁵ s⁻¹?

Explanation

Reviewed by Dr. Abubacker

Want to attempt the full paper?