The Energy of Light Is Estimated to Be 6

question 21

Multiple Choice

The energy of light is estimated to be 6.56 × 10⁻²¹ J. The frequency of this light is _____ s^-1.

• A) 1.02 × 10^-13
• B) 4.34 × 10⁰
• C) 9.90 × 10¹³
• D) 1.02 × 10^-13
• E) 9.90 × 10¹²

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