Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Open MARKS Web Download App
Search any question & find its solution
Question: Answered & Verified by Expert
An electromagnetic wave of wavelength $2 \times 10^{-10} \mathrm{~m}$ passes from vacuum into a dielectric medium of relative permitivity 4 . Then its wavelength will be
PhysicsElectromagnetic WavesAP EAMCETAP EAMCET 2018 (24 Apr Shift 2)
Options:
  • A $0.5 \times 10^{-10} \mathrm{~m}$
  • B $0.7 \times 10^{-10} \mathrm{~m}$
  • C $1.8 \times 10^{-10} \mathrm{~m}$
  • D $2.8 \times 10^{-10} \mathrm{~m}$
Solution:
2283 Upvotes Verified Answer
The correct answer is: $0.5 \times 10^{-10} \mathrm{~m}$
No solution. Refer to answer key.

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.

Use on iOS or Desktop Download from Google Play