JEE Main 2019 — Electromagnetic Waves Question with Solution
From: JEE Main 2019 (Online) 10th April Evening Slot
Question
Light is incident normally on a completely absorbing surface with an energy flux of 25 W cm–2. If the surface
has an area of 25 cm2, the momentum transferred to the surface in 40 min time duration will be :
Choose an option
Show full solutionCorrect option: B
Correct answer
B5.0 × 10–3 Ns
Step-by-step explanation
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This is a previous-year question from JEE Main 2019, covering the Electromagnetic Waves chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.