NEET Physics: Electromagnetic Waves — MCQ Test 2

Q6. Why are X-rays used in medicine to treat certain forms of cancer?

Q7. An electromagnetic wave in vacuum has a wavelength of \( 5 \, \text{m} \). What is its frequency? (Given \( c = 3 \times 10^8 \, \text{m/s} \))

Q8. In electromagnetic theory, what explains the constant ratio of electric to magnetic field amplitudes in a wave?

Q9. Why are UV rays harmful in large quantities?

Q10. Why does the absence of conduction current in certain regions necessitate the concept of displacement current?

Q11. X-rays are typically used in medicine for which purpose?

Q12. Which of the following is used to detect X-rays?

Q13. In electromagnetic wave propagation, what ensures that the electric and magnetic fields sustain each other?

Q14. A parallel plate capacitor with plate area \( A = 0.01 \, \text{m}^2 \) and separation \( d = 2 \, \text{mm} \) is being charged at a rate of \( \frac{dQ}{dt} = 0.5 \, \text{A} \). What is the displacement current between the plates? (Given \( \varepsilon_0 = 8.85 \times 10^{-12} \, \text{F/m} \))

Q15. What makes electromagnetic waves capable of carrying energy over long distances?

NEET PhysicsElectromagnetic Waves

Free MCQ Test 2 of 24

22:30

Sign in to save your score and view detailed explanations

Sign In Free
1Question 1 of 15
Medium

What is the approximate wavelength range of ultraviolet rays as per the document?

More Sets — Electromagnetic Waves

Previous Chapter

Electromagnetic Induction

Next Chapter

Electronic Devices

Explore individual Physics questions →

5,000+ questions with detailed solved answers in our Question Bank

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 15 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

0
Easy
15
Medium
0
Hard

Key concepts covered in this specific test include Approximate, Wavelength, Ultraviolet, Document, Frequency, and Infrared.

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 is the approximate wavelength range of ultraviolet rays as per the document?

  • A. \( > 0.1 \, \text{m} \)
  • B. \( 0.1 \, \text{m} \) to \( 1 \, \text{mm} \)
  • C. \( 1 \, \text{mm} \) to \( 700 \, \text{nm} \)
  • D. \( 400 \, \text{nm} \) to \( 0.6 \, \text{nm} \)

Q2. What is the frequency range of visible light?

  • A. \( 10^9 \, \text{Hz} \) to \( 10^{11} \, \text{Hz} \)
  • B. \( 4 \times 10^{14} \, \text{Hz} \) to \( 7 \times 10^{14} \, \text{Hz} \)
  • C. \( 10^{16} \, \text{Hz} \) to \( 10^{18} \, \text{Hz} \)
  • D. \( 500 \, \text{kHz} \) to \( 1000 \, \text{MHz} \)

Q3. Why are infrared waves detected in applications monitoring crop growth?

  • A. High penetration
  • B. Visible spectrum
  • C. Plant reflectivity
  • D. Thermal heating

Q4. Why are infrared waves important for maintaining Earth's average temperature?

  • A. They reflect sunlight
  • B. They emit UV radiation
  • C. They contribute to the greenhouse effect
  • D. They cool the atmosphere

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

  • A. 16 V/m
  • B. 18 V/m
  • C. 20 V/m
  • D. 24 V/m

+ 10 more questions in the actual test

Frequently Asked Questions

Is this practice set completely free?

Yes, all our chapter-wise practice sets are 100% free. You can practice as many times as you want without any hidden charges.

Are these questions relevant for the latest NEET syllabus?

Absolutely. Our content team regularly updates the question bank to strictly align with the latest NTA NEET syllabus and NCERT textbooks.

Can I view the solutions after the test?

Yes, once you submit the test, you will get an instant scorecard along with the correct answers and detailed explanations for every question.

About TopperSquare

TopperSquare is India's most advanced, student-centric learning platform designed specifically for medical and engineering aspirants. Our mission is to democratize high-quality education by providing premium practice materials, deep performance analytics, and structured test series.

Whether you are starting your preparation or giving final touches before the exam day, TopperSquare equips you with the right tools—from chapter-wise tests to full-length mock exams—to help you achieve your dream rank.

More Physics Chapters for NEET

Explore More NEET Subjects

Looking to strengthen other areas of your preparation? Check out our free chapter-wise question banks for all NEET subjects: