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Saturday, 31 October

JEE Main 2022 · PhysicsMultiple choiceTwo statementsEasyConceptual

JEE Main 27 June 2022, Shift 2, Physics Q45

Question 45 of 90 in this shift, Physics question 15 of 30, Section A.

Given below are two statements : Statement I: A time varying electric field is a source of changing magnetic field and vice-versa. Thus a disturbance in electric or magnetic field creates EM waves. Statement II: In a material medium, the EM wave travels with speed v=1μ0ϵ0v = \frac{1}{\sqrt{\mu_0 \epsilon_0}} . In the light of the above statements, choose the correct answer from the options given below.
  1. (1)Both statement I and statement II are true
  2. (2)Both statement I and statement II are false
  3. (3)Statement I is correct but statement II is falseOfficial answer
  4. (4)Statement I is incorrect but statement II is true

Official answer

Option 3

NTA final key.

Chapter
Electromagnetic Waves
Topic
No close match in our taxonomy
Idea tested
No close match in our taxonomy

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.