OnlineCBT Logo OnlineCBT
⚲
हिन्दी
OnlineCBT Logo OnlineCBT
⚲

Physics · PYQ NEET UG 2020

हिन्दी

The ratio of contributions made by the electric field and magnetic field components to the intensity of an electromagnetic wave is (c = speed of electromagnetic waves)

  1. A
    1 : 1
  2. B
    1 : c
  3. C
    \( 1 : c^2 \)
  4. D
    c : 1
View Answer & Solution

Correct answer · Option A

1 : 1

Explanation

In an electromagnetic wave, the average energy density of the electric field equals the average energy density of the magnetic field, giving a ratio of 1 : 1.

Related questions

The average thermal energy for mono-atomic gas is: (\( k_B \) is Boltzmann constant and T, absolute temperature)→A ray is incident at an angle of incidence i on one surface of a small angle prism (with angle of prism A) and emerges normally from the opposite surface. If the refractive index of the material of the prism is \( \mu \), then the angle of incidence is nearly equal to:→A \( 40\ \mu\text{F} \) capacitor is connected to a \( 200\text{ V} \), \( 50\text{ Hz} \) ac supply. The rms value of the current in the circuit is, nearly:→The energy required to break one bond in DNA is \( 10^{-20}\text{ J} \). This value in eV is nearly:→
OnlineCBT

Our mission is "To educate students and help them excel in competitive exam preparation to the best of their potential. To impart good values in students and develop their overall exam readiness."

Useful Link
Important Pages
Courses & Practice
Contact
Address

Plot No 10, Dholigumti, Panditpura Road, Bandikui, Dausa(Raj) 303313

Contact

+91 7877547686

 E-mail

onlinecbtportal@gmail.com

 Helpline Number

+91 7877547686
Share
Click To Download
Get it on Google Play

ऐप डाउनलोड करने
के लिए Google Play पर
उपलब्ध है

Terms of Use | Privacy Policy | Cookie Policy | Disclaimer | Editorial Policy | Fact Check | Corrections | DMCA | Ad Choices

Copyright © 2026 - OnlineCBT.in. All Rights Reserved.

WhatsApp Chat