wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

An electromagnetic wave of v = 3MHz passes from vacuum into dielectric medium with ϵ=4.0ϵ0. Then:


A

wavelength is doubled and frequency becomes half

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

wavelength is doubled and frequency same.

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

wavelength and frequency both remain unchanged

No worries! We‘ve got your back. Try BYJU‘S free classes today!
D

wavelength is halved but frequency remains same.

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution

The correct option is D

wavelength is halved but frequency remains same.


C = 1μϵ
here; ϵ=μϵ0
hence; the speed is halved. Since, the frequency depends on the source and C = f λ; wavelength will be halved.


flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Surfing a Wave
PHYSICS
Watch in App
Join BYJU'S Learning Program
CrossIcon