NEET UG PHYSICS MCQ: ELECTROMAGNETIC WAVES

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For an electromagnetic wave traveling in free space

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Correct option: A

E_0=c B_0

Option A (

E_0=c B_0

) is correct because the electric field amplitude is equal to the speed of light times the magnetic field amplitude in an electromagnetic wave.

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{E_X}

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{E_M}

60\,\,\frac{V}{m}

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{E_2} = {E_{02}}\hat x\cos \left[ {k\left( {2z - ct} \right)} \right]

{\varepsilon _{{r_1}}}

{\varepsilon _{{r_2}}}

E = 50\sin \,(500x - 10 \times {10^{10}}t)\,v/m.

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\mathrm{\varepsilon }

\mathrm{\mu }

\sqrt {\frac{\mathrm{\mu }}{\mathrm{\varepsilon }}}