JEE CHEMISTRY MCQ: STRUCTURE OF ATOM

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A 25 Watt bulb emits monochromatic yellow light of wavelength of

0.57 \mu \mathrm{m}

. What will be the rate of emission of quanta per second?

View answer and explanation

Correct option: A

7.17 \times 10^{19}

Option A (

7.17 \times 10^{19}

) is correct because it is the rate of emission of quanta per second calculated using the energy of a photon and the power of the bulb.

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n^{\text {th }}

\mathrm{A}

\times 10^{12}

\frac{1}{{ }^{\prime} \mathrm{B}^{\prime}}

\ell = 1,\,\,m = 0

1.25 \times {10^{ - 13}} \times {A^{1/3}}\mathrm{cm}.