Question

In an electromagnetic wave, the ratio of energy densities of electric and magnetic fields is ______.
Fill in the blank with the correct answer from the options given below

• A. 1 : 1
• B. 1 : c
• C. c : 1
• D. $1 : c^2$

Answer 1

Answer: (A)

1 : 1

Answer 2

In an electromagnetic wave, the energy density of the electric field is equal to the energy density of the magnetic field. Therefore, the ratio of their energy densities is 1:1.