Electromagnetic Waves

JEE Main Physics · 7 questions

All questions, latest first

• For an electromagnetic wave propagating through vacuum, k, E and ω represent propagation vector, electric field and angular…20266 April, Shift 2 · Q31
• A point light source emits E.M. waves in free space. A detector, placed at a distance of L m, measures the intensity as I_o. The…20266 April, Shift 1 · Q40
• Given below are two statements: one is labelled as Assertion and the other is labelled as Reason (R). Assertion: The…20265 April, Shift 2 · Q39
• A displacement current of 4.0 A can be set up in the space between two parallel plates of 6 μ F capacitor. The rate of change of…20265 April, Shift 1 · Q37
• A magnetic field vector in an electromagnetic wave is represented by B=B_0 sin (2 π v t-(2 π x)/(λ)) j. Its associated electric…20264 April, Shift 2 · Q40
• An electromagnetic wave travels in free space along the x -direction. At a particular point in space and time, B=2 × 10^-7 j T is…20262 April, Shift 2 · Q37
• An electromagnetic wave travelling in x -direction is described by field equation E_y=300 sin ω(t-x/c). If the electron is…20262 April, Shift 1 · Q43