The magnetic field in a plane electromagnetic wave is given by: By=2× 10-7 sin (π × 103x+3π× 1011t)T Calculate the wavelength

Question

The magnetic field in a plane electromagnetic wave is given by: By=2× 10-7 sin (π × 103x+3π× 1011t)T Calculate the wavelength (A) π × 103 m (B) 2 × 10-3 m (C) 2 × 103 m (D) π × 10-3 m

Tardigrade Admin · Accepted Answer

λ=(2π/K)=(2π/π×103) λ=2×10-3 m

Q. The magnetic field in a plane electromagnetic wave is given by :
$B_{y} = 2 \times 1 0^{- 7} s in (π \times 1 0^{3} x + 3 π \times 1 0^{11} t) T$
Calculate the wavelength

$π \times 1 0^{3} m$

$2 \times 1 0^{- 3} m$

$2 \times 1 0^{3} m$

$π \times 1 0^{- 3} m$

$λ = \frac{2 π}{K} = \frac{2 π}{π \times 1 0 ^{3}}$
$λ = 2 \times 1 0^{- 3} m$

Q. The magnetic field in a plane electromagnetic wave is given by : By​=2×10−7sin(π×103x+3π×1011t)T Calculate the wavelength

π×103m

2×10−3m

2×103m

π×10−3m