A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of photons emit — NEET Chemistry Past Papers Chemistry Question

Question

A 100 watt bulb emits monochromatic light of wavelength 400 nm. Calculate the number of photons emitted per second by the bulb :- (A) 2.012 × 10 s (B) 1.08 × 10 s (C) 6.023 × 10 s (D) 5.01 × 10 s 3 2 3 2 2 2 2 4 4 4 3 + + – 1 + +2 – 2 +2 +3 – 3 1 2 3 1 2 3 1 2 3 3 2 1 2 2 2 3 +4 +3 +3 +3 +3 +2 +2 +2 3 3 5 4 2 +2 3 3 3 3 +3 3 2 2 2 2 5 2 2 4 2 2 3 2 2 N Θ (g) →N(g) N(g) →N + (g) N(g) →N Θ (g) N + (g) →N 2+ (g) 2 2 4 20 –1 23 –1 23 –1 21 –1 MAJOR TEST SERIES_PHASE-1 9610ZMD800101250005