Learn

Friday, 9 October

NEET UG 2017 · Physics · Question 31

NEET 2017 Physics, question 31

Question 31 of the NEET 2017 paper (code A) is a Physics question from Electromagnetic Waves. Its idea, Relation E0 = cB0, was asked twice, in 2017 and 2023, across NEET 2017–2026. The CBSE official answer key gives option 2.

Updated 2026-10-08

Q31 · Physics

In an electromagnetic wave in free space the root mean square value of the electric field is ErmsE_{rms} = 6 V/m. The peak value of the magnetic field is :

  1. 11.41×10−81.41\times10^{-8} T
  2. 22.83×10−82.83\times10^{-8} TOfficial answer
  3. 30.70×10−80.70\times10^{-8} T
  4. 44.23×10−84.23\times10^{-8} T

Official answer: option 2 · CBSE official answer key

Same idea

Relation E0 = cB0, in other papers

NEET asked this idea twice, in 2017 and 2023. The other question below.

  • 2023 Q6In a plane electromagnetic wave travelling in free space, the electric field component oscillates sinusoidally at a frequency of…Numerical · Easy

Relation E0 = cB0: every question and how it was framed

The chapter

Electromagnetic Waves in ten years of NEET

18 questions from 2017–2026, asked in 10 of 10 papers, about 1.7 a paper. Electromagnetic Waves alone had 18.

Chapter analysisStudy this chapterPractise this chapter

Electromagnetic Waves: questions per paper

0241’171’182’192’202’212’222’232’242’252’26