. If 5% of the energy supplied to a bulb is irradiated as visible light
how many quanta are emitted per second by a 100 W lamp? (Assume wavelength of visible light as 5.6 ×10-5 cm)
a. 1.4×1010
b. 3×103
c. 1.4×10-19
d. 3×104
Best Answer
Answer ||| (a)
Solution ||| Energy radiated as visible light
.PNG)
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