TG EAPCET 2025 (Online) 4th May Evening Shift | Electromagnetic Waves Question 1 | Physics

If the electric field of a plane electromagnetic wave is $E_z=60 \sin \left(0.5 \times 10^3 x+1.5 \times 10^{11} t\right) \mathrm{Vm}^{-1}$, then the magnetic field of the wave is

$B_y=2 \times 10^{-7} \sin \left(0.5 \times 10^3 x+1.5 \times 10^{11} t\right) \top$

$B_z=2 \times 10^{-7} \sin \left(0.5 \times 10^3 x+15 \times 10^{11} t\right) T$

$B_x=180 \times 10^8 \sin \left(0.5 \times 10^3 x+1.5 \times 10^{11} t\right) T$

$B_y=180 \times 10^8 \sin \left(0.5 \times 10^3 x+1.5 \times 10^{11} t\right) \top$

TG EAPCET 2025 (Online) 3rd May Evening Shift

MCQ (Single Correct Answer)

-0

The amplitude of the electric field associated with a light beam of intensity $\frac{15}{\pi} \mathrm{Wm}^{-2}$ is

$120 \mathrm{NC}^{-1}$

$15 \mathrm{NC}^{-1}$

$60 \mathrm{NC}^{-1}$

$30 \mathrm{NC}^{-1}$

TG EAPCET 2025 (Online) 2nd May Evening Shift

MCQ (Single Correct Answer)

-0

If electromagnetic waves of power 600 W incident on a non-reflecting surface, then the total force acting on the surface is

$12 \times 10^{-6} \mathrm{~N}$

$9 \times 10^{-9} \mathrm{~N}$

$6 \times 10^{-6} \mathrm{~N}$

$2 \times 10^{-6} \mathrm{~N}$

TG EAPCET 2025 (Online) 2nd May Morning Shift

MCQ (Single Correct Answer)

-0

The dielectric constant of a medium is 8 and its relative permeability is 200 . If an electromagnetic wave of frequency 100 MHz travels in this medium, then its wavelength is

15 m

15 cm

7.5 m

7.5 cm

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