AP Physics 2mediummcq1 pt
A photon of frequency 1.0×10¹⁵ Hz has energy (h = 6.6×10⁻³⁴ J·s)
A.6.6×10⁻¹⁹ J
B.6.6×10⁻¹⁵ J
C.6.6×10⁻²³ J
D.1.5×10⁻¹⁸ J
Explanation
Core Concept
E = hf = (6.6×10⁻³⁴)(1.0×10¹⁵) = 6.6×10⁻¹⁹ J.
Correct Answer
A6.6×10⁻¹⁹ J
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