List of top Physics Questions on Electromagnetic waves asked in UP Board XII

State the important characteristics of electromagnetic waves.
Write down the difference between displacement current and conduction current. The equation of an electromagnetic wave is \(B_y = 2\times10^{-7}\,\sin(500x + 1.5\times10^{11}t)\) Tesla. Find the equation of the electric field of the wave, the direction of propagation and the wavelength of the wave.
What is meant by displacement current? What is the difference between displacement current and conduction current? Write down their formulae.
What are the uses of microwaves?
Explain displacement current and write the formula related to Ampere-Maxwell's law.
Amplitude of intensity of magnetic field of an electromagnetic wave in vacuum is 500 nT. What will be the amplitude of the intensity of electric field of the wave?
The unit of \(\dfrac{1}{\mu_0 \varepsilon_0}\) is:
What are electromagnetic waves? Explain two characteristics of these waves.
What are electromagnetic waves? Draw their propagation diagram. Show the electric field amplitude and magnetic field amplitude in the propagation diagram.
Among the following, the electromagnetic wave of minimum frequency is:
What are electromagnetic waves? An electromagnetic wave is moving in the X direction and the directions of its electric and magnetic fields are Y and Z respectively. Write the general equations for the electric and magnetic fields of the wave. How are electromagnetic waves different from sound waves?
What is displacement current? How is displacement current different from conduction current?