A monochromatic electromagnetic wave propagates in vacuum. If its electric field amplitude is and magnetic field amplitude is , which of the following relations is NOT correct?
E₀ = cB₀
The energy density is equally distributed between electric and magnetic fields
E₀B₀ = c
The directions of E, B and propagation are mutually perpendicular
Related Questions
If the energy of EM radiation is increased from 15 keV to 15 MeV, how does this affect its position in the electromagnetic spectrum?
Shifts from X-rays to ultraviolet
Remains in the X-ray region
Shifts from X-rays to gamma rays
Shifts from X-rays to infrared
Which of these electromagnetic waves has the shortest wavelength?
Radio waves
Microwaves
Ultraviolet rays
Gamma rays
A wave is propagating in a medium of electric dielectric constant 2 and relative magnetic permeability 50. The wave impedance of such a medium is
A laser beam with a power of is spread uniformly over a circular area of radius . A non-reflecting surface within this area has a surface area of . Calculate the energy received by this surface in .
1432.4 J
143.2 J
14.32 J
1.43 J
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Radio waves
X-rays
Gamma rays
Visible light
A source emits electromagnetic radiation with a peak wavelength of at temperature . If the temperature is increased to , what will be the new peak wavelength ?
λ₁/4
λ₁/2
2λ₁
4λ₁
Which type of electromagnetic radiation is used in medical imaging to visualize bones?
Microwaves
Infrared
X-rays
Ultraviolet
Biological importance of Ozone layer is
It stops ultraviolet rays
Ozone rays reduce green house effect
Ozone layer reflects radio waves
Ozone layer controls radio in atmosphere
The electromagnetic waves do not transport
Energy
Charge
Momentum
Information
Which of the following shows green house effect
Ultraviolet rays
Infrared rays
X-rays
None of these