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What is the energy of a photon with a frequency of 1.7 × 1017 Hz? Planck’s constant is 6.63 × 10–34 J•s.

1.1 × 10–17 J 


1.1 × 10–16 J
8.3 × 10–16 J
8.3 × 10–15 J
User Lauda
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2 Answers

5 votes

Answer:

The correct answer is B.

Step-by-step explanation:

Got a 100% on the Exam

User Sahil Kalra
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6 votes
The energy carried by a single photon is given by

E=hf
where h is the Planck's constant and f is the frequency of the photon.

The photon of our exercise has a frequency of
f=1.7 \cdot 10^(17) Hz, therefore its energy is

E=hf=(6.63 \cdot 10^(-34)Js)(1.7 \cdot 10^(17) Hz)=1.1 \cdot 10^(-16) J
User Seabass
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