The electric field associated with an EM wave in vacuum is given by E→=40cos kz-6 x 108ti^, where E, z and t are in volt/m, meter and seconds respectively. The value of wave vector k is

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

2 m–1

0.5 m–1

6 m–1

3 m–1

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

K=2πλ=2πCn=2πnC=ωC=6 x 1083 x 108=2 m-1

Watch 3-min video & get full concept clarity