| ⇦ | 
| ⇨ |
The ratio of amplitude of magnetic field to the amplitude of electric field for an electromagnetic wave propagating in vacuum is equal to:
Options
(a) The speed of light in vacuum
(b) reciprocal of speed of light in vacuum
(c) the ratio of magnetic permeability to the electric susceptibility of vacuum
(d) unity
Correct Answer:
reciprocal of speed of light in vacuum
Explanation:
The average energy stored in the electric field Uᴇ = (1/2) ε₀E²
The average energy stroed in the magnetic field Uв = (1/2) . (B² /μ₀),
According to conservation of energy Ue = Ub
ε₀μ₀ = B² / E²
B / E = √(ε₀μ₀) = 1/C
Related Questions: - The ratio of volumes of nuclei (assumed to be in spherical shape) with respective
- In n-type semiconductor, electrons are majority charge carriers
- If a proton, a deuteron and an alpha particle, on being accelerated by the same
- which of the following can not be emitted by radioactive substances during their decay?
- In some region, gravitational field is zero. The gravitational potential
Topics: Electromagnetic Waves
(28)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The ratio of volumes of nuclei (assumed to be in spherical shape) with respective
- In n-type semiconductor, electrons are majority charge carriers
- If a proton, a deuteron and an alpha particle, on being accelerated by the same
- which of the following can not be emitted by radioactive substances during their decay?
- In some region, gravitational field is zero. The gravitational potential
Topics: Electromagnetic Waves (28)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply