Teaching UKPSC Lecturer Mock Test Series 2024 Physics Waves Wavelength and Frequency

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

1

10

2

25

3

50

4

75

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