How many photons of light with a wavelength of 4000 pm provide 1 J of energy? - ATOMIC STRUCTURE Quiz | GKFix.in

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Question

How many photons of light with a wavelength of 4000 pm provide 1 J of energy?

A. 2.01 × 10¹⁸
B. 2.01 × 10¹⁷
C. 2.01 × 10¹⁶
D. 2.01 × 10¹⁵

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