NEET Physics: Electromagnetic Waves — MCQ Test 6

Q6. An electromagnetic wave has a wave number \( k = 4 \, \text{rad/m} \). What is its wavelength in vacuum?

Q7. An electromagnetic wave has a wavelength of \( 3 \, \text{m} \) in vacuum. What is its wave number \( k \)?

Q8. What does Gauss's Law for electricity state in Maxwell's equations?

Q9. In electromagnetic theory, what explains the ability of waves to exhibit coherence?

Q10. Why are electromagnetic waves classified into different types in the spectrum?

NEET Physics — Electromagnetic Waves

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What enables electromagnetic waves to propagate through vacuum without a medium?

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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 Electromagnetic, Propagate, Introduction, Displacement, Charging, and Capacitor.

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. What enables electromagnetic waves to propagate through vacuum without a medium?

  • A. Presence of charged particles
  • B. High frequency of oscillation
  • C. Constant wavelength
  • D. Self-sustaining electric and magnetic fields

Q2. Why are UV lamps used in LASIK eye surgery?

  • A. They heat the cornea
  • B. They emit visible light
  • C. They can be focused into narrow beams
  • D. They penetrate deeper into tissues

Q3. What does Maxwell's introduction of displacement current explain in the context of a charging capacitor?

  • A. Magnetic field between the plates
  • B. Electric field outside the plates
  • C. Zero magnetic field everywhere
  • D. Conduction current inside the plates

Q4. What property of electromagnetic waves explains their ability to travel at the same speed in vacuum regardless of their frequency?

  • A. Dependence on permittivity and permeability
  • B. Variation in wavelength
  • C. Dependence on frequency
  • D. Interaction with charged particles

Q5. An electromagnetic wave has an angular frequency \( \omega = 8 \times 10^{11} \, \text{rad/s} \). What is its frequency in Hz?

  • A. \( 1 \times 10^{11} \, \text{Hz} \)
  • B. \( 1.27 \times 10^{11} \, \text{Hz} \)
  • C. \( 1.5 \times 10^{11} \, \text{Hz} \)
  • D. \( 2 \times 10^{11} \, \text{Hz} \)

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More Physics Chapters for NEET

• Alternating Currents• Atoms And Nuclei• Behaviour Of Perfect Gas And Kinetic Theory• Current Electricity• Dual Nature Of Matter• Electric Charges And Fields• Electromagnetic Induction• Electromagnetic Waves• Electronic Devices• Electrostatic Potential And Capacitance• Electrostatics• Gravitation• Kinematics• Laws Of Motion• Magnetic Effects Of Current And Magnetism• Magnetism And Matter• Mechanical Properties Of Fluids• Mechanical Properties Of Solids• Motion In A Plane• Oscillations• Properties Of Bulk Matter• Ray Optics• System Of Particles And Rotational Motion• Thermal Properties Of Matter• Thermodynamics• Units And Measurements• Wave Optics• Waves• Work Energy And Power

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