Verified Solution • 2025–26 Session moderate

QPage 339: Q1: HC Verma: Concepts of Physics - Volume 2 Electromagnetic Waves Page 339: Q1 Solution: An electromagnetic wave going through vacuum is described by .…

⚠️ Common Exam Traps & Conceptual Pitfalls

Students often confuse the individual dependencies of $k$ and $\omega$ on wavelength with their ratio, failing to recognize that $k/\omega$ simplifies to $1/c$, a universal constant independent of $\lambda$.

An electromagnetic wave going through vacuum is described by E=E0sin⁡kx−ωt)E = E_0 \sin kx - \omega t). Which of the following is/are independent of the wavelength?'

Multiple Choice Options

  • A kk
  • B ω\omega
  • C k/ωk/\omega
  • D kωk\omega

Step-by-Step Verified Solution

**Answer:** (c) k/_. **Step-by-Step Explanation:** k/_ = 1/c, which is independent of wavelength.

All Questions in this Chapter

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