HARD
12th West Bengal Board
IMPORTANT
Earn 100

From the Maxwell's equation show that Electromagnetic wave is a transverse wave

Important Questions on Electromagnetic Waves

MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 5
From the Maxwell's equation show that Find relation between the amplitudes of the electric and magnetic fields. 
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 5
From the Maxwell's equation show that Prove that the speed of electromagnetic fields is given by c=1μ0ε0 Substituting the values of μ0 and ε0, show that this speed is found to be equal to that of light in vacuum.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 6
Give an idea of how the whole electromagnetic spectra has been divided into different parts. Mention the rough frequency and wavelength ranges for these different parts.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 7
Explain how Joule heating may be explained on the basis of electromagnetic theory.
MEDIUM
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 8
Explain physically what happens when an electromagnetic wave passes through vacuum, in particular why the electric and magnetic fields in that wave cannot be separated from each other.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 9
Explain how we can be convinced that displacement current is really present and it is not simply a trick to save Ampere's circuital theorem.
EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 10
Explain how the speed of electromagnetic wave changes when it enters into a transparent dielectric medium. Find the relation between the refractive index of a transparent medium with electric and magnetic properties of the medium.
HARD
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 18 - Electromagnetic Waves>EXERCISE 18>Q 1
The plane electromagnetic wave from the sun reaching the earth has amplitude of electric field strength 800Vm-1 Determine the maximum strength of the magnetic field.