question: What is the energy of a photon ?
answer: 6981358000000000000 ♠ 3.58 × 10 − 19 J
turker_answer: The energy of a photon is 6981358000000000000 ♠ 3.58 × 10 − 19 J.
rule-based: The energy of a photon is 6981358000000000000 ♠ 3.58 × 10 − 19 J .