New discovery!

Chemistry Level 2

The scientists of the world have just discovered a new colour of wavelength 9700 × 1 0 − 15 9700 × 10^{-15} m which can be seen with the aid of a special lens. Then what is the wave number of this new colour.

Give your answer in m − 1 m^{-1}


The answer is 1.03E+11.

Ashish Menon by Ashish Menon , 20, India

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1 solution

Ashish Menon
Apr 30, 2016

Wave number = 1 Wavelength = 1 9700 × 10 − 15 = 1.03 E + 11 m − 1 = \dfrac{1}{\text{Wavelength}}\\ = \dfrac{1}{9700 × {10}^{-15}}\\ = \boxed{1.03E+11}m^{-1}

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