NEET Physics: Electromagnetic Waves — MCQ Test 7

Q6. What conclusion did Maxwell reach when the speed of electromagnetic waves matched the speed of light?

Q7. A parallel plate capacitor has a time-varying charge such that \( \frac{dQ}{dt} = 1.2 \, \text{A} \). What is the displacement current between the plates?

Q8. What is a common method to detect radio waves according to the document?

Q9. What is the typical wavelength range of microwaves according to the document?

Q10. Why are infrared waves often associated with thermal imaging?

NEET Physics — Electromagnetic Waves

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In the context of electromagnetic waves, why do oscillating charges act as effective sources?

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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, Oscillating, Effective, Property, Explains, and Photosynthesis.

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. In the context of electromagnetic waves, why do oscillating charges act as effective sources?

  • A. They produce time-varying fields
  • B. They remain stationary
  • C. They eliminate magnetic fields
  • D. They propagate static fields

Q2. What property of visible light explains its role in photosynthesis?

  • A. High frequency
  • B. Thermal energy
  • C. Suitable energy levels
  • D. Penetration depth

Q3. An electromagnetic wave in vacuum has a wavelength of \( 8 \, \text{m} \). What is its frequency? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

  • A. \( 2.5 \times 10^7 \, \text{Hz} \)
  • B. \( 3 \times 10^7 \, \text{Hz} \)
  • C. \( 3.75 \times 10^7 \, \text{Hz} \)
  • D. \( 4.5 \times 10^7 \, \text{Hz} \)

Q4. Radio waves are detected using which of the following?

  • A. Photocells
  • B. Thermopiles
  • C. Receiver's aerials
  • D. Bolometers

Q5. What enables electromagnetic waves to propagate without a material medium?

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

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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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