Multiple Choice
Planck's constant is h = 6.6 × 10-34 Js. Light of wavelength 5 × 10-7 m consists of photons whose energy is
A) 1.1 × 10-48 J.
B) 1.3 × 10-27 J.
C) 4 × 10-19 J.
D) 1.7 × 10-15 J.
Correct Answer:

Verified
Correct Answer:
Verified
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