Question
Physics Question on Magnetic Field
E = E0 sin (ωt – kx)
B = B0 sin (ωt – kx), then ratio of energy density of electric field to magnetic field is :
A
1:1
B
1:3
C
1:2
D
2:1
Answer
1:1
Explanation
Solution
In the EM wave,
(The energy density)magnetic field = (The energy density)electric field
So, the correct answer is (A): 1:1