NEET Physics: Electromagnetic Waves — MCQ Test 4

Q6. What fundamental asymmetry exists between electric and magnetic fields in Maxwell’s equations?

Q7. What physical principle explains why electromagnetic waves can exhibit interference and diffraction?

Q8. What is the typical wavelength range of microwaves used in domestic microwave ovens?

Q9. Why are microwaves used in satellite communication?

Q10. Why do microwaves heat food more effectively than infrared waves in domestic microwave ovens?

NEET Physics — Electromagnetic Waves

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Medium

Why are infrared waves sometimes referred to as heat waves?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Electromagnetic Waves. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Infrared, Sometimes, Referred, Electromagnetic, Wavelength, and Frequency.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. Why are infrared waves sometimes referred to as heat waves?

  • A. They have the highest frequency
  • B. They are emitted by cold bodies
  • C. They increase thermal motion in materials
  • D. They are not absorbed by any material

Q2. An electromagnetic wave in vacuum has a wavelength of \( 6 \, \text{m} \). What is its frequency? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

  • A. \( 3 \times 10^7 \, \text{Hz} \)
  • B. \( 4 \times 10^7 \, \text{Hz} \)
  • C. \( 5 \times 10^7 \, \text{Hz} \)
  • D. \( 6 \times 10^7 \, \text{Hz} \)

Q3. Which of the following cannot produce electromagnetic waves?

  • A. An oscillating charge
  • B. A charge moving with uniform velocity
  • C. A charge undergoing acceleration
  • D. A charge in circular motion

Q4. What physical implication arises from the fact that electromagnetic waves are transverse in nature?

  • A. They can be polarized
  • B. They require a medium
  • C. They travel slower in vacuum
  • D. They cannot carry energy

Q5. An electromagnetic wave in vacuum has a magnetic field amplitude of \( B_0 = 4 \times 10^{-8} \, \text{T} \). What is the electric field amplitude? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

  • A. 6 V/m
  • B. 8 V/m
  • C. 10 V/m
  • D. 12 V/m

+ 5 more questions in the actual test

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