A small object at rest, absorbs a light pulse of power 20 ~mW and duration 300 ~ns. Assuming speed of light as 3 × 10⁸ ~m / s, the momentum of the object becomes equal to:

(B) 0.5 × 10⁻¹⁷ ~kg ~m / s

Dual Nature of Matter and Radiation: JEE Main 2023 Physics question

JEE Main 2023 · 30 Jan, Morning shift · Q6606

JEE Main 202330 Jan, Morning shiftPhysicsEasyDual Nature of Matter and Radiation146× since 2002

A small object at rest, absorbs a light pulse of power

20 \mathrm{~mW}

and duration

300 \mathrm{~ns}

. Assuming speed of light as

3 \times 10^{8} \mathrm{~m} / \mathrm{s}

, the momentum of the object becomes equal to :

JEE Main 2023 Dual Nature of Matter and Radiation Question with Solution (30 Jan Morning shift, Q6606) | JEE Arc