The value of Planck's constant is 6 .63 x 10-34 Js. The velocity of tight is 3.0 x 108 ms-1. Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 8 x 1015 s-1?

v=cλ,∴λ=3×1088×1015=4×10−8

The value of Planck's constant is 6 .63 x 10-34 Js. The velocity of tight is 3.0 x 108 ms-1. Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 8 x 1015 s-1?

v=cλ,∴λ=3×1088×1015=4×10−8

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The value of Planck's constant is 6 .63 x 10^-34Js. The velocity of tight is 3.0 x 10⁸ ms^-1. Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 8 x 10¹⁵ s^-1?

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3 x 10⁷

2 x 10^-25

5 x 10^-18

4 x 10^-8

answer is C.

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$v = \frac{c}{λ}, ∴ λ = \frac{3 \times 10^{8}}{8 \times 10^{15}} = 4 \times 10^{- 8}$

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The value of Planck's constant is 6 .63 x 10-34 Js. The velocity of tight is 3.0 x 108 ms-1. Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 8 x 1015 s-1?

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The value of Planck's constant is 6 .63 x 10^-34Js. The velocity of tight is 3.0 x 10⁸ ms^-1. Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 8 x 10¹⁵ s^-1?