Monochromatic light of frequency 6 × 10¹⁴ ~Hz is produced by a laser. The power emitted is 2 × 10⁻³ ~W. How many photons per second on an average, are emitted by the source ? (Given h=6.63 × 10⁻³⁴ Js)

Dual Nature of Matter and Radiation: JEE Main 2024 Physics question

JEE Main 2024 · 1 Feb, Evening shift · Q6607

JEE Main 20241 Feb, Evening shiftPhysicsHardDual Nature of Matter and Radiation146× since 2002

Monochromatic light of frequency

6 \times 10^{14} \mathrm{~Hz}

is produced by a laser. The power emitted is

2 \times 10^{-3} \mathrm{~W}

. How many photons per second on an average, are emitted by the source ? (Given

\mathrm{h}=6.63 \times 10^{-34} \mathrm{Js}

)

JEE Main 2024 Dual Nature of Matter and Radiation Question with Solution (1 Feb Evening shift, Q6607) | JEE Arc

JEE Main 2024 · 1 Feb, Evening shift · Q6607

JEE Main 20241 Feb, Evening shiftPhysicsHardDual Nature of Matter and Radiation146× since 2002

Monochromatic light of frequency

6 \times 10^{14} \mathrm{~Hz}

is produced by a laser. The power emitted is

2 \times 10^{-3} \mathrm{~W}

. How many photons per second on an average, are emitted by the source ? (Given

\mathrm{h}=6.63 \times 10^{-34} \mathrm{Js}

)