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A magnetic field in a plane electromagnetic wave is given by $B_{Y} = 3 \times 10^{- 7} \sin [1.5 x + 5 \times 10^{8} t] T$ . What is the wavelength of electromagnetic wave?

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detailed solution

Correct option is A

Given equation is BY=3×10−7sin[1.5x+5×108t]TComparing the given equation with the equation of B=B0sin(2πxλ+2πtT) 2πλ=1.5 ⇒λ=2π1.5 ∴ λ=21.5×227=4410.5=4.19m

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A magnetic field in a plane electromagnetic wave is given by BY=3×10−7sin[1.5x+5×108t]T. What is the wavelength of electromagnetic wave?

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A magnetic field in a plane electromagnetic wave is given by $B_{Y} = 3 \times 10^{- 7} \sin [1.5 x + 5 \times 10^{8} t] T$ . What is the wavelength of electromagnetic wave?