
Electromagnetic Waves Quiz-1
Answer these simple questions correctly and earn coins
Popular Questions In Electromagnetic Waves Quiz-1
Electromagnetic waves are produced by
An electromagnetic wave, propagating along the x-axis, can be represented by the equations:
From the following, the only incorrect statement, about EM waves, is the statement:
The equation could represent the oscillations of the electric field of a microwave if k and have the values
The SI unit of the poynting vector (S) defined by the formula: is
An electromagnetic wave of frequency v = 3 MHz passes from Vaccum into a dielectric medium with permittivity Then wavelength will be
A monochromatic source of power 0.66 kW, and efficiency 100%, emits photons is one second. These photons belong to the region of
A point source of electromagnetic radiation has an average power output of 135 W. The maximum value of electric field, at a distance of 3 m from the source, (in ) is
The range of wavelengths allotted for commercial FM radio is
Monochromatic source, of power 4 kW and 100% efficiency produces photons every second. The radiations emitted by it belong to the part of the EM spectrum called: