A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of…
Chemistry · Class 11 · CBSE — Structure of Atom
A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of photons emitted per second by the bulb.
- 3 × 1020 s–1
- 2 × 10–20 s–1
- 2 × 1020 s–1
- 1 × 10–20 s–1
Answer
(C) 2 × 10 20 s –1
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